diff --git a/lldb/include/lldb/Core/SourceManager.h b/lldb/include/lldb/Core/SourceManager.h
--- a/lldb/include/lldb/Core/SourceManager.h
+++ b/lldb/include/lldb/Core/SourceManager.h
@@ -119,7 +119,7 @@
 
   ~SourceManager();
 
-  FileSP GetLastFile() { return m_last_file_sp; }
+  FileSP GetLastFile() { return GetFile(m_last_file_spec); }
 
   size_t
   DisplaySourceLinesWithLineNumbers(const FileSpec &file, uint32_t line,
@@ -141,7 +141,9 @@
 
   bool GetDefaultFileAndLine(FileSpec &file_spec, uint32_t &line);
 
-  bool DefaultFileAndLineSet() { return (m_last_file_sp.get() != nullptr); }
+  bool DefaultFileAndLineSet() {
+    return (GetFile(m_last_file_spec).get() != nullptr);
+  }
 
   void FindLinesMatchingRegex(FileSpec &file_spec, RegularExpression &regex,
                               uint32_t start_line, uint32_t end_line,
@@ -150,7 +152,7 @@
   FileSP GetFile(const FileSpec &file_spec);
 
 protected:
-  FileSP m_last_file_sp;
+  FileSpec m_last_file_spec;
   uint32_t m_last_line;
   uint32_t m_last_count;
   bool m_default_set;
diff --git a/lldb/source/Core/SourceManager.cpp b/lldb/source/Core/SourceManager.cpp
--- a/lldb/source/Core/SourceManager.cpp
+++ b/lldb/source/Core/SourceManager.cpp
@@ -52,27 +52,21 @@
 
 // SourceManager constructor
 SourceManager::SourceManager(const TargetSP &target_sp)
-    : m_last_file_sp(), m_last_line(0), m_last_count(0), m_default_set(false),
+    : m_last_line(0), m_last_count(0), m_default_set(false),
       m_target_wp(target_sp),
       m_debugger_wp(target_sp->GetDebugger().shared_from_this()) {}
 
 SourceManager::SourceManager(const DebuggerSP &debugger_sp)
-    : m_last_file_sp(), m_last_line(0), m_last_count(0), m_default_set(false),
-      m_target_wp(), m_debugger_wp(debugger_sp) {}
+    : m_last_line(0), m_last_count(0), m_default_set(false), m_target_wp(),
+      m_debugger_wp(debugger_sp) {}
 
 // Destructor
 SourceManager::~SourceManager() {}
 
 SourceManager::FileSP SourceManager::GetFile(const FileSpec &file_spec) {
-  bool same_as_previous =
-      m_last_file_sp &&
-      FileSpec::Match(file_spec, m_last_file_sp->GetFileSpec());
-
   DebuggerSP debugger_sp(m_debugger_wp.lock());
   FileSP file_sp;
-  if (same_as_previous)
-    file_sp = m_last_file_sp;
-  else if (debugger_sp && debugger_sp->GetUseSourceCache())
+  if (debugger_sp && debugger_sp->GetUseSourceCache())
     file_sp = debugger_sp->GetSourceFileCache().FindSourceFile(file_spec);
 
   TargetSP target_sp(m_target_wp.lock());
@@ -178,10 +172,10 @@
   m_last_line = start_line;
   m_last_count = count;
 
-  if (m_last_file_sp.get()) {
+  if (FileSP last_file_sp = GetFile(m_last_file_spec)) {
     const uint32_t end_line = start_line + count - 1;
     for (uint32_t line = start_line; line <= end_line; ++line) {
-      if (!m_last_file_sp->LineIsValid(line)) {
+      if (!last_file_sp->LineIsValid(line)) {
         m_last_line = UINT32_MAX;
         break;
       }
@@ -219,12 +213,12 @@
         columnToHighlight = column - 1;
 
       size_t this_line_size =
-          m_last_file_sp->DisplaySourceLines(line, columnToHighlight, 0, 0, s);
+          last_file_sp->DisplaySourceLines(line, columnToHighlight, 0, 0, s);
       if (column != 0 && line == curr_line &&
           should_show_stop_column_with_caret(debugger_sp)) {
         // Display caret cursor.
         std::string src_line;
-        m_last_file_sp->GetLine(line, src_line);
+        last_file_sp->GetLine(line, src_line);
         s->Printf("    \t");
         // Insert a space for every non-tab character in the source line.
         for (size_t i = 0; i + 1 < column && i < src_line.length(); ++i)
@@ -255,10 +249,11 @@
   else
     start_line = 1;
 
-  if (m_last_file_sp.get() != file_sp.get()) {
+  FileSP last_file_sp(GetLastFile());
+  if (last_file_sp.get() != file_sp.get()) {
     if (line == 0)
       m_last_line = 0;
-    m_last_file_sp = file_sp;
+    m_last_file_spec = file_spec;
   }
   return DisplaySourceLinesWithLineNumbersUsingLastFile(
       start_line, count, line, column, current_line_cstr, s, bp_locs);
@@ -268,14 +263,15 @@
     Stream *s, uint32_t count, bool reverse, const SymbolContextList *bp_locs) {
   // If we get called before anybody has set a default file and line, then try
   // to figure it out here.
-  const bool have_default_file_line = m_last_file_sp && m_last_line > 0;
+  FileSP last_file_sp(GetLastFile());
+  const bool have_default_file_line = last_file_sp && m_last_line > 0;
   if (!m_default_set) {
     FileSpec tmp_spec;
     uint32_t tmp_line;
     GetDefaultFileAndLine(tmp_spec, tmp_line);
   }
 
-  if (m_last_file_sp) {
+  if (last_file_sp) {
     if (m_last_line == UINT32_MAX)
       return 0;
 
@@ -310,22 +306,21 @@
 
 bool SourceManager::SetDefaultFileAndLine(const FileSpec &file_spec,
                                           uint32_t line) {
-  FileSP old_file_sp = m_last_file_sp;
-  m_last_file_sp = GetFile(file_spec);
-
   m_default_set = true;
-  if (m_last_file_sp) {
+  FileSP file_sp(GetFile(file_spec));
+
+  if (file_sp) {
     m_last_line = line;
+    m_last_file_spec = file_spec;
     return true;
   } else {
-    m_last_file_sp = old_file_sp;
     return false;
   }
 }
 
 bool SourceManager::GetDefaultFileAndLine(FileSpec &file_spec, uint32_t &line) {
-  if (m_last_file_sp) {
-    file_spec = m_last_file_sp->GetFileSpec();
+  if (FileSP last_file_sp = GetLastFile()) {
+    file_spec = last_file_sp->GetFileSpec();
     line = m_last_line;
     return true;
   } else if (!m_default_set) {
@@ -355,7 +350,7 @@
                     .GetBaseAddress()
                     .CalculateSymbolContextLineEntry(line_entry)) {
               SetDefaultFileAndLine(line_entry.file, line_entry.line);
-              file_spec = m_last_file_sp->GetFileSpec();
+              file_spec = last_file_sp->GetFileSpec();
               line = m_last_line;
               return true;
             }
diff --git a/lldb/test/API/commands/settings/use_source_cache/Makefile b/lldb/test/API/commands/settings/use_source_cache/Makefile
new file mode 100644
--- /dev/null
+++ b/lldb/test/API/commands/settings/use_source_cache/Makefile
@@ -0,0 +1,8 @@
+CXX_SOURCES := main-copy.cpp
+
+include Makefile.rules
+
+
+# Copy file into the build folder to enable the test to modify it.
+main-copy.cpp: main.cpp
+	cp -f $< $@
diff --git a/lldb/test/API/commands/settings/use_source_cache/TestUseSourceCache.py b/lldb/test/API/commands/settings/use_source_cache/TestUseSourceCache.py
new file mode 100644
--- /dev/null
+++ b/lldb/test/API/commands/settings/use_source_cache/TestUseSourceCache.py
@@ -0,0 +1,69 @@
+"""
+Tests large source files are not locked on Windows when source cache is disabled
+"""
+
+import lldb
+import os
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+from shutil import copy
+
+class SettingsUseSourceCacheTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+    NO_DEBUG_INFO_TESTCASE = True
+
+    def test_set_use_source_cache_false(self):
+        """Test that after 'set use-source-cache false', files are not locked."""
+        self.set_use_source_cache_and_test(False)
+
+    @skipIf(hostoslist=no_match(["windows"]))
+    def test_set_use_source_cache_true(self):
+        """Test that after 'set use-source-cache false', files are locked."""
+        self.set_use_source_cache_and_test(True)
+
+    def set_use_source_cache_and_test(self, is_cache_enabled):
+        """Common test for both True/False values of use-source-cache."""
+        self.build()
+
+        # Enable/Disable source cache
+        self.runCmd(
+                "settings set use-source-cache " +
+                ("true" if is_cache_enabled else "false"))
+
+        # Get paths for the main source file.
+        src = self.getBuildArtifact("main-copy.cpp")
+        self.assertTrue(src)
+
+        # Make sure source file is bigger than 16K to trigger memory mapping
+        self.assertTrue(os.stat(src).st_size > (4*4096))
+
+        target, process, thread, breakpoint = lldbutil.run_to_name_breakpoint(
+                self,
+                "calc")
+
+        # Show the source file contents to make sure LLDB loads src file.
+        self.runCmd("source list")
+
+        # Try deleting the source file.
+        is_file_removed = self.removeFile(src)
+
+        if is_cache_enabled:
+            self.assertFalse(
+                is_file_removed,
+                "Source cache is enabled, but delete file succeeded")
+        
+        if not is_cache_enabled:
+            self.assertTrue(
+                is_file_removed,
+                "Source cache is disabled, but delete file failed")
+
+    def removeFile(self, src):
+        """Remove file and return true iff file was successfully removed."""
+        try:
+            os.remove(src)
+            return True
+        except Exception:
+            return False
+
diff --git a/lldb/test/API/commands/settings/use_source_cache/main.cpp b/lldb/test/API/commands/settings/use_source_cache/main.cpp
new file mode 100644
--- /dev/null
+++ b/lldb/test/API/commands/settings/use_source_cache/main.cpp
@@ -0,0 +1,619 @@
+// This file should be large enough that LLDB decides to load it
+// using memory mapping. See:
+//   ⁠llvm/lib/Support/MemoryBuffer.cp:shouldUseMmap()
+
+#include <stdio.h>
+
+int calc(int x0, int x1, int x2);
+
+int
+main(int argc, char const *argv[])
+{
+  fprintf(stderr, "Hello, world => %d\n", calc(0, 1, 2));
+  return 0;
+}
+
+
+// The name of this function is used in tests to set breakpoints by name.
+int calc(int x0, int x1, int x2) {
+  int x3 = x2 * x1 + x0;
+  int x4 = x3 * x2 + x1;
+  int x5 = x4 * x3 + x2;
+  int x6 = x5 * x4 + x3;
+  int x7 = x6 * x5 + x4;
+  int x8 = x7 * x6 + x5;
+  int x9 = x8 * x7 + x6;
+  int x10 = x9 * x8 + x7;
+  int x11 = x10 * x9 + x8;
+  int x12 = x11 * x10 + x9;
+  int x13 = x12 * x11 + x10;
+  int x14 = x13 * x12 + x11;
+  int x15 = x14 * x13 + x12;
+  int x16 = x15 * x14 + x13;
+  int x17 = x16 * x15 + x14;
+  int x18 = x17 * x16 + x15;
+  int x19 = x18 * x17 + x16;
+  int x20 = x19 * x18 + x17;  
+  int x21 = x20 * x19 + x18;
+  int x22 = x21 * x20 + x19;
+  int x23 = x22 * x21 + x20;
+  int x24 = x23 * x22 + x21;
+  int x25 = x24 * x23 + x22;
+  int x26 = x25 * x24 + x23;
+  int x27 = x26 * x25 + x24;
+  int x28 = x27 * x26 + x25;
+  int x29 = x28 * x27 + x26;
+  int x30 = x29 * x28 + x27;
+  int x31 = x30 * x29 + x28;
+  int x32 = x31 * x30 + x29;
+  int x33 = x32 * x31 + x30;
+  int x34 = x33 * x32 + x31;
+  int x35 = x34 * x33 + x32;
+  int x36 = x35 * x34 + x33;
+  int x37 = x36 * x35 + x34;
+  int x38 = x37 * x36 + x35;
+  int x39 = x38 * x37 + x36;
+  int x40 = x39 * x38 + x37;
+  int x41 = x40 * x39 + x38;
+  int x42 = x41 * x40 + x39;
+  int x43 = x42 * x41 + x40;
+  int x44 = x43 * x42 + x41;
+  int x45 = x44 * x43 + x42;
+  int x46 = x45 * x44 + x43;
+  int x47 = x46 * x45 + x44;
+  int x48 = x47 * x46 + x45;
+  int x49 = x48 * x47 + x46;
+  int x50 = x49 * x48 + x47;
+  int x51 = x50 * x49 + x48;
+  int x52 = x51 * x50 + x49;
+  int x53 = x52 * x51 + x50;
+  int x54 = x53 * x52 + x51;
+  int x55 = x54 * x53 + x52;
+  int x56 = x55 * x54 + x53;
+  int x57 = x56 * x55 + x54;
+  int x58 = x57 * x56 + x55;
+  int x59 = x58 * x57 + x56;
+  int x60 = x59 * x58 + x57;
+  int x61 = x60 * x59 + x58;
+  int x62 = x61 * x60 + x59;
+  int x63 = x62 * x61 + x60;
+  int x64 = x63 * x62 + x61;
+  int x65 = x64 * x63 + x62;
+  int x66 = x65 * x64 + x63;
+  int x67 = x66 * x65 + x64;
+  int x68 = x67 * x66 + x65;
+  int x69 = x68 * x67 + x66;
+  int x70 = x69 * x68 + x67;
+  int x71 = x70 * x69 + x68;
+  int x72 = x71 * x70 + x69;
+  int x73 = x72 * x71 + x70;
+  int x74 = x73 * x72 + x71;
+  int x75 = x74 * x73 + x72;
+  int x76 = x75 * x74 + x73;
+  int x77 = x76 * x75 + x74;
+  int x78 = x77 * x76 + x75;
+  int x79 = x78 * x77 + x76;
+  int x80 = x79 * x78 + x77;
+  int x81 = x80 * x79 + x78;
+  int x82 = x81 * x80 + x79;
+  int x83 = x82 * x81 + x80;
+  int x84 = x83 * x82 + x81;
+  int x85 = x84 * x83 + x82;
+  int x86 = x85 * x84 + x83;
+  int x87 = x86 * x85 + x84;
+  int x88 = x87 * x86 + x85;
+  int x89 = x88 * x87 + x86;
+  int x90 = x89 * x88 + x87;
+  int x91 = x90 * x89 + x88;
+  int x92 = x91 * x90 + x89;
+  int x93 = x92 * x91 + x90;
+  int x94 = x93 * x92 + x91;
+  int x95 = x94 * x93 + x92;
+  int x96 = x95 * x94 + x93;
+  int x97 = x96 * x95 + x94;
+  int x98 = x97 * x96 + x95;
+  int x99 = x98 * x97 + x96;
+  int x100 = x99 * x98 + x97;
+  int x101 = x100 * x99 + x98;
+  int x102 = x101 * x100 + x99;
+  int x103 = x102 * x101 + x100;
+  int x104 = x103 * x102 + x101;
+  int x105 = x104 * x103 + x102;
+  int x106 = x105 * x104 + x103;
+  int x107 = x106 * x105 + x104;
+  int x108 = x107 * x106 + x105;
+  int x109 = x108 * x107 + x106;
+  int x110 = x109 * x108 + x107;
+  int x111 = x110 * x109 + x108;
+  int x112 = x111 * x110 + x109;
+  int x113 = x112 * x111 + x110;
+  int x114 = x113 * x112 + x111;
+  int x115 = x114 * x113 + x112;
+  int x116 = x115 * x114 + x113;
+  int x117 = x116 * x115 + x114;
+  int x118 = x117 * x116 + x115;
+  int x119 = x118 * x117 + x116;
+  int x120 = x119 * x118 + x117;
+  int x121 = x120 * x119 + x118;
+  int x122 = x121 * x120 + x119;
+  int x123 = x122 * x121 + x120;
+  int x124 = x123 * x122 + x121;
+  int x125 = x124 * x123 + x122;
+  int x126 = x125 * x124 + x123;
+  int x127 = x126 * x125 + x124;
+  int x128 = x127 * x126 + x125;
+  int x129 = x128 * x127 + x126;
+  int x130 = x129 * x128 + x127;
+  int x131 = x130 * x129 + x128;
+  int x132 = x131 * x130 + x129;
+  int x133 = x132 * x131 + x130;
+  int x134 = x133 * x132 + x131;
+  int x135 = x134 * x133 + x132;
+  int x136 = x135 * x134 + x133;
+  int x137 = x136 * x135 + x134;
+  int x138 = x137 * x136 + x135;
+  int x139 = x138 * x137 + x136;
+  int x140 = x139 * x138 + x137;
+  int x141 = x140 * x139 + x138;
+  int x142 = x141 * x140 + x139;
+  int x143 = x142 * x141 + x140;
+  int x144 = x143 * x142 + x141;
+  int x145 = x144 * x143 + x142;
+  int x146 = x145 * x144 + x143;
+  int x147 = x146 * x145 + x144;
+  int x148 = x147 * x146 + x145;
+  int x149 = x148 * x147 + x146;
+  int x150 = x149 * x148 + x147;
+  int x151 = x150 * x149 + x148;
+  int x152 = x151 * x150 + x149;
+  int x153 = x152 * x151 + x150;
+  int x154 = x153 * x152 + x151;
+  int x155 = x154 * x153 + x152;
+  int x156 = x155 * x154 + x153;
+  int x157 = x156 * x155 + x154;
+  int x158 = x157 * x156 + x155;
+  int x159 = x158 * x157 + x156;
+  int x160 = x159 * x158 + x157;
+  int x161 = x160 * x159 + x158;
+  int x162 = x161 * x160 + x159;
+  int x163 = x162 * x161 + x160;
+  int x164 = x163 * x162 + x161;
+  int x165 = x164 * x163 + x162;
+  int x166 = x165 * x164 + x163;
+  int x167 = x166 * x165 + x164;
+  int x168 = x167 * x166 + x165;
+  int x169 = x168 * x167 + x166;
+  int x170 = x169 * x168 + x167;
+  int x171 = x170 * x169 + x168;
+  int x172 = x171 * x170 + x169;
+  int x173 = x172 * x171 + x170;
+  int x174 = x173 * x172 + x171;
+  int x175 = x174 * x173 + x172;
+  int x176 = x175 * x174 + x173;
+  int x177 = x176 * x175 + x174;
+  int x178 = x177 * x176 + x175;
+  int x179 = x178 * x177 + x176;
+  int x180 = x179 * x178 + x177;
+  int x181 = x180 * x179 + x178;
+  int x182 = x181 * x180 + x179;
+  int x183 = x182 * x181 + x180;
+  int x184 = x183 * x182 + x181;
+  int x185 = x184 * x183 + x182;
+  int x186 = x185 * x184 + x183;
+  int x187 = x186 * x185 + x184;
+  int x188 = x187 * x186 + x185;
+  int x189 = x188 * x187 + x186;
+  int x190 = x189 * x188 + x187;
+  int x191 = x190 * x189 + x188;
+  int x192 = x191 * x190 + x189;
+  int x193 = x192 * x191 + x190;
+  int x194 = x193 * x192 + x191;
+  int x195 = x194 * x193 + x192;
+  int x196 = x195 * x194 + x193;
+  int x197 = x196 * x195 + x194;
+  int x198 = x197 * x196 + x195;
+  int x199 = x198 * x197 + x196;
+  int x200 = x199 * x198 + x197;
+  int x201 = x200 * x199 + x198;
+  int x202 = x201 * x200 + x199;
+  int x203 = x202 * x201 + x200;
+  int x204 = x203 * x202 + x201;
+  int x205 = x204 * x203 + x202;
+  int x206 = x205 * x204 + x203;
+  int x207 = x206 * x205 + x204;
+  int x208 = x207 * x206 + x205;
+  int x209 = x208 * x207 + x206;
+  int x210 = x209 * x208 + x207;
+  int x211 = x210 * x209 + x208;
+  int x212 = x211 * x210 + x209;
+  int x213 = x212 * x211 + x210;
+  int x214 = x213 * x212 + x211;
+  int x215 = x214 * x213 + x212;
+  int x216 = x215 * x214 + x213;
+  int x217 = x216 * x215 + x214;
+  int x218 = x217 * x216 + x215;
+  int x219 = x218 * x217 + x216;
+  int x220 = x219 * x218 + x217;
+  int x221 = x220 * x219 + x218;
+  int x222 = x221 * x220 + x219;
+  int x223 = x222 * x221 + x220;
+  int x224 = x223 * x222 + x221;
+  int x225 = x224 * x223 + x222;
+  int x226 = x225 * x224 + x223;
+  int x227 = x226 * x225 + x224;
+  int x228 = x227 * x226 + x225;
+  int x229 = x228 * x227 + x226;
+  int x230 = x229 * x228 + x227;
+  int x231 = x230 * x229 + x228;
+  int x232 = x231 * x230 + x229;
+  int x233 = x232 * x231 + x230;
+  int x234 = x233 * x232 + x231;
+  int x235 = x234 * x233 + x232;
+  int x236 = x235 * x234 + x233;
+  int x237 = x236 * x235 + x234;
+  int x238 = x237 * x236 + x235;
+  int x239 = x238 * x237 + x236;
+  int x240 = x239 * x238 + x237;
+  int x241 = x240 * x239 + x238;
+  int x242 = x241 * x240 + x239;
+  int x243 = x242 * x241 + x240;
+  int x244 = x243 * x242 + x241;
+  int x245 = x244 * x243 + x242;
+  int x246 = x245 * x244 + x243;
+  int x247 = x246 * x245 + x244;
+  int x248 = x247 * x246 + x245;
+  int x249 = x248 * x247 + x246;
+  int x250 = x249 * x248 + x247;
+  int x251 = x250 * x249 + x248;
+  int x252 = x251 * x250 + x249;
+  int x253 = x252 * x251 + x250;
+  int x254 = x253 * x252 + x251;
+  int x255 = x254 * x253 + x252;
+  int x256 = x255 * x254 + x253;
+  int x257 = x256 * x255 + x254;
+  int x258 = x257 * x256 + x255;
+  int x259 = x258 * x257 + x256;
+  int x260 = x259 * x258 + x257;
+  int x261 = x260 * x259 + x258;
+  int x262 = x261 * x260 + x259;
+  int x263 = x262 * x261 + x260;
+  int x264 = x263 * x262 + x261;
+  int x265 = x264 * x263 + x262;
+  int x266 = x265 * x264 + x263;
+  int x267 = x266 * x265 + x264;
+  int x268 = x267 * x266 + x265;
+  int x269 = x268 * x267 + x266;
+  int x270 = x269 * x268 + x267;
+  int x271 = x270 * x269 + x268;
+  int x272 = x271 * x270 + x269;
+  int x273 = x272 * x271 + x270;
+  int x274 = x273 * x272 + x271;
+  int x275 = x274 * x273 + x272;
+  int x276 = x275 * x274 + x273;
+  int x277 = x276 * x275 + x274;
+  int x278 = x277 * x276 + x275;
+  int x279 = x278 * x277 + x276;
+  int x280 = x279 * x278 + x277;
+  int x281 = x280 * x279 + x278;
+  int x282 = x281 * x280 + x279;
+  int x283 = x282 * x281 + x280;
+  int x284 = x283 * x282 + x281;
+  int x285 = x284 * x283 + x282;
+  int x286 = x285 * x284 + x283;
+  int x287 = x286 * x285 + x284;
+  int x288 = x287 * x286 + x285;
+  int x289 = x288 * x287 + x286;
+  int x290 = x289 * x288 + x287;
+  int x291 = x290 * x289 + x288;
+  int x292 = x291 * x290 + x289;
+  int x293 = x292 * x291 + x290;
+  int x294 = x293 * x292 + x291;
+  int x295 = x294 * x293 + x292;
+  int x296 = x295 * x294 + x293;
+  int x297 = x296 * x295 + x294;
+  int x298 = x297 * x296 + x295;
+  int x299 = x298 * x297 + x296;
+  int x300 = x299 * x298 + x297;
+  int x301 = x300 * x299 + x298;
+  int x302 = x301 * x300 + x299;
+  int x303 = x302 * x301 + x300;
+  int x304 = x303 * x302 + x301;
+  int x305 = x304 * x303 + x302;
+  int x306 = x305 * x304 + x303;
+  int x307 = x306 * x305 + x304;
+  int x308 = x307 * x306 + x305;
+  int x309 = x308 * x307 + x306;
+  int x310 = x309 * x308 + x307;
+  int x311 = x310 * x309 + x308;
+  int x312 = x311 * x310 + x309;
+  int x313 = x312 * x311 + x310;
+  int x314 = x313 * x312 + x311;
+  int x315 = x314 * x313 + x312;
+  int x316 = x315 * x314 + x313;
+  int x317 = x316 * x315 + x314;
+  int x318 = x317 * x316 + x315;
+  int x319 = x318 * x317 + x316;
+  int x320 = x319 * x318 + x317;
+  int x321 = x320 * x319 + x318;
+  int x322 = x321 * x320 + x319;
+  int x323 = x322 * x321 + x320;
+  int x324 = x323 * x322 + x321;
+  int x325 = x324 * x323 + x322;
+  int x326 = x325 * x324 + x323;
+  int x327 = x326 * x325 + x324;
+  int x328 = x327 * x326 + x325;
+  int x329 = x328 * x327 + x326;
+  int x330 = x329 * x328 + x327;
+  int x331 = x330 * x329 + x328;
+  int x332 = x331 * x330 + x329;
+  int x333 = x332 * x331 + x330;
+  int x334 = x333 * x332 + x331;
+  int x335 = x334 * x333 + x332;
+  int x336 = x335 * x334 + x333;
+  int x337 = x336 * x335 + x334;
+  int x338 = x337 * x336 + x335;
+  int x339 = x338 * x337 + x336;
+  int x340 = x339 * x338 + x337;
+  int x341 = x340 * x339 + x338;
+  int x342 = x341 * x340 + x339;
+  int x343 = x342 * x341 + x340;
+  int x344 = x343 * x342 + x341;
+  int x345 = x344 * x343 + x342;
+  int x346 = x345 * x344 + x343;
+  int x347 = x346 * x345 + x344;
+  int x348 = x347 * x346 + x345;
+  int x349 = x348 * x347 + x346;
+  int x350 = x349 * x348 + x347;
+  int x351 = x350 * x349 + x348;
+  int x352 = x351 * x350 + x349;
+  int x353 = x352 * x351 + x350;
+  int x354 = x353 * x352 + x351;
+  int x355 = x354 * x353 + x352;
+  int x356 = x355 * x354 + x353;
+  int x357 = x356 * x355 + x354;
+  int x358 = x357 * x356 + x355;
+  int x359 = x358 * x357 + x356;
+  int x360 = x359 * x358 + x357;
+  int x361 = x360 * x359 + x358;
+  int x362 = x361 * x360 + x359;
+  int x363 = x362 * x361 + x360;
+  int x364 = x363 * x362 + x361;
+  int x365 = x364 * x363 + x362;
+  int x366 = x365 * x364 + x363;
+  int x367 = x366 * x365 + x364;
+  int x368 = x367 * x366 + x365;
+  int x369 = x368 * x367 + x366;
+  int x370 = x369 * x368 + x367;
+  int x371 = x370 * x369 + x368;
+  int x372 = x371 * x370 + x369;
+  int x373 = x372 * x371 + x370;
+  int x374 = x373 * x372 + x371;
+  int x375 = x374 * x373 + x372;
+  int x376 = x375 * x374 + x373;
+  int x377 = x376 * x375 + x374;
+  int x378 = x377 * x376 + x375;
+  int x379 = x378 * x377 + x376;
+  int x380 = x379 * x378 + x377;
+  int x381 = x380 * x379 + x378;
+  int x382 = x381 * x380 + x379;
+  int x383 = x382 * x381 + x380;
+  int x384 = x383 * x382 + x381;
+  int x385 = x384 * x383 + x382;
+  int x386 = x385 * x384 + x383;
+  int x387 = x386 * x385 + x384;
+  int x388 = x387 * x386 + x385;
+  int x389 = x388 * x387 + x386;
+  int x390 = x389 * x388 + x387;
+  int x391 = x390 * x389 + x388;
+  int x392 = x391 * x390 + x389;
+  int x393 = x392 * x391 + x390;
+  int x394 = x393 * x392 + x391;
+  int x395 = x394 * x393 + x392;
+  int x396 = x395 * x394 + x393;
+  int x397 = x396 * x395 + x394;
+  int x398 = x397 * x396 + x395;
+  int x399 = x398 * x397 + x396;
+  int x400 = x399 * x398 + x397;
+  int x401 = x400 * x399 + x398;
+  int x402 = x401 * x400 + x399;
+  int x403 = x402 * x401 + x400;
+  int x404 = x403 * x402 + x401;
+  int x405 = x404 * x403 + x402;
+  int x406 = x405 * x404 + x403;
+  int x407 = x406 * x405 + x404;
+  int x408 = x407 * x406 + x405;
+  int x409 = x408 * x407 + x406;
+  int x410 = x409 * x408 + x407;
+  int x411 = x410 * x409 + x408;
+  int x412 = x411 * x410 + x409;
+  int x413 = x412 * x411 + x410;
+  int x414 = x413 * x412 + x411;
+  int x415 = x414 * x413 + x412;
+  int x416 = x415 * x414 + x413;
+  int x417 = x416 * x415 + x414;
+  int x418 = x417 * x416 + x415;
+  int x419 = x418 * x417 + x416;
+  int x420 = x419 * x418 + x417;
+  int x421 = x420 * x419 + x418;
+  int x422 = x421 * x420 + x419;
+  int x423 = x422 * x421 + x420;
+  int x424 = x423 * x422 + x421;
+  int x425 = x424 * x423 + x422;
+  int x426 = x425 * x424 + x423;
+  int x427 = x426 * x425 + x424;
+  int x428 = x427 * x426 + x425;
+  int x429 = x428 * x427 + x426;
+  int x430 = x429 * x428 + x427;
+  int x431 = x430 * x429 + x428;
+  int x432 = x431 * x430 + x429;
+  int x433 = x432 * x431 + x430;
+  int x434 = x433 * x432 + x431;
+  int x435 = x434 * x433 + x432;
+  int x436 = x435 * x434 + x433;
+  int x437 = x436 * x435 + x434;
+  int x438 = x437 * x436 + x435;
+  int x439 = x438 * x437 + x436;
+  int x440 = x439 * x438 + x437;
+  int x441 = x440 * x439 + x438;
+  int x442 = x441 * x440 + x439;
+  int x443 = x442 * x441 + x440;
+  int x444 = x443 * x442 + x441;
+  int x445 = x444 * x443 + x442;
+  int x446 = x445 * x444 + x443;
+  int x447 = x446 * x445 + x444;
+  int x448 = x447 * x446 + x445;
+  int x449 = x448 * x447 + x446;
+  int x450 = x449 * x448 + x447;
+  int x451 = x450 * x449 + x448;
+  int x452 = x451 * x450 + x449;
+  int x453 = x452 * x451 + x450;
+  int x454 = x453 * x452 + x451;
+  int x455 = x454 * x453 + x452;
+  int x456 = x455 * x454 + x453;
+  int x457 = x456 * x455 + x454;
+  int x458 = x457 * x456 + x455;
+  int x459 = x458 * x457 + x456;
+  int x460 = x459 * x458 + x457;
+  int x461 = x460 * x459 + x458;
+  int x462 = x461 * x460 + x459;
+  int x463 = x462 * x461 + x460;
+  int x464 = x463 * x462 + x461;
+  int x465 = x464 * x463 + x462;
+  int x466 = x465 * x464 + x463;
+  int x467 = x466 * x465 + x464;
+  int x468 = x467 * x466 + x465;
+  int x469 = x468 * x467 + x466;
+  int x470 = x469 * x468 + x467;
+  int x471 = x470 * x469 + x468;
+  int x472 = x471 * x470 + x469;
+  int x473 = x472 * x471 + x470;
+  int x474 = x473 * x472 + x471;
+  int x475 = x474 * x473 + x472;
+  int x476 = x475 * x474 + x473;
+  int x477 = x476 * x475 + x474;
+  int x478 = x477 * x476 + x475;
+  int x479 = x478 * x477 + x476;
+  int x480 = x479 * x478 + x477;
+  int x481 = x480 * x479 + x478;
+  int x482 = x481 * x480 + x479;
+  int x483 = x482 * x481 + x480;
+  int x484 = x483 * x482 + x481;
+  int x485 = x484 * x483 + x482;
+  int x486 = x485 * x484 + x483;
+  int x487 = x486 * x485 + x484;
+  int x488 = x487 * x486 + x485;
+  int x489 = x488 * x487 + x486;
+  int x490 = x489 * x488 + x487;
+  int x491 = x490 * x489 + x488;
+  int x492 = x491 * x490 + x489;
+  int x493 = x492 * x491 + x490;
+  int x494 = x493 * x492 + x491;
+  int x495 = x494 * x493 + x492;
+  int x496 = x495 * x494 + x493;
+  int x497 = x496 * x495 + x494;
+  int x498 = x497 * x496 + x495;
+  int x499 = x498 * x497 + x496;
+  int x500 = x499 * x498 + x497;
+  int x501 = x500 * x499 + x498;
+  int x502 = x501 * x500 + x499;
+  int x503 = x502 * x501 + x500;
+  int x504 = x503 * x502 + x501;
+  int x505 = x504 * x503 + x502;
+  int x506 = x505 * x504 + x503;
+  int x507 = x506 * x505 + x504;
+  int x508 = x507 * x506 + x505;
+  int x509 = x508 * x507 + x506;
+  int x510 = x509 * x508 + x507;
+  int x511 = x510 * x509 + x508;
+  int x512 = x511 * x510 + x509;
+  int x513 = x512 * x511 + x510;
+  int x514 = x513 * x512 + x511;
+  int x515 = x514 * x513 + x512;
+  int x516 = x515 * x514 + x513;
+  int x517 = x516 * x515 + x514;
+  int x518 = x517 * x516 + x515;
+  int x519 = x518 * x517 + x516;
+  int x520 = x519 * x518 + x517;
+  int x521 = x520 * x519 + x518;
+  int x522 = x521 * x520 + x519;
+  int x523 = x522 * x521 + x520;
+  int x524 = x523 * x522 + x521;
+  int x525 = x524 * x523 + x522;
+  int x526 = x525 * x524 + x523;
+  int x527 = x526 * x525 + x524;
+  int x528 = x527 * x526 + x525;
+  int x529 = x528 * x527 + x526;
+  int x530 = x529 * x528 + x527;
+  int x531 = x530 * x529 + x528;
+  int x532 = x531 * x530 + x529;
+  int x533 = x532 * x531 + x530;
+  int x534 = x533 * x532 + x531;
+  int x535 = x534 * x533 + x532;
+  int x536 = x535 * x534 + x533;
+  int x537 = x536 * x535 + x534;
+  int x538 = x537 * x536 + x535;
+  int x539 = x538 * x537 + x536;
+  int x540 = x539 * x538 + x537;
+  int x541 = x540 * x539 + x538;
+  int x542 = x541 * x540 + x539;
+  int x543 = x542 * x541 + x540;
+  int x544 = x543 * x542 + x541;
+  int x545 = x544 * x543 + x542;
+  int x546 = x545 * x544 + x543;
+  int x547 = x546 * x545 + x544;
+  int x548 = x547 * x546 + x545;
+  int x549 = x548 * x547 + x546;
+  int x550 = x549 * x548 + x547;
+  int x551 = x550 * x549 + x548;
+  int x552 = x551 * x550 + x549;
+  int x553 = x552 * x551 + x550;
+  int x554 = x553 * x552 + x551;
+  int x555 = x554 * x553 + x552;
+  int x556 = x555 * x554 + x553;
+  int x557 = x556 * x555 + x554;
+  int x558 = x557 * x556 + x555;
+  int x559 = x558 * x557 + x556;
+  int x560 = x559 * x558 + x557;
+  int x561 = x560 * x559 + x558;
+  int x562 = x561 * x560 + x559;
+  int x563 = x562 * x561 + x560;
+  int x564 = x563 * x562 + x561;
+  int x565 = x564 * x563 + x562;
+  int x566 = x565 * x564 + x563;
+  int x567 = x566 * x565 + x564;
+  int x568 = x567 * x566 + x565;
+  int x569 = x568 * x567 + x566;
+  int x570 = x569 * x568 + x567;
+  int x571 = x570 * x569 + x568;
+  int x572 = x571 * x570 + x569;
+  int x573 = x572 * x571 + x570;
+  int x574 = x573 * x572 + x571;
+  int x575 = x574 * x573 + x572;
+  int x576 = x575 * x574 + x573;
+  int x577 = x576 * x575 + x574;
+  int x578 = x577 * x576 + x575;
+  int x579 = x578 * x577 + x576;
+  int x580 = x579 * x578 + x577;
+  int x581 = x580 * x579 + x578;
+  int x582 = x581 * x580 + x579;
+  int x583 = x582 * x581 + x580;
+  int x584 = x583 * x582 + x581;
+  int x585 = x584 * x583 + x582;
+  int x586 = x585 * x584 + x583;
+  int x587 = x586 * x585 + x584;
+  int x588 = x587 * x586 + x585;
+  int x589 = x588 * x587 + x586;
+  int x590 = x589 * x588 + x587;
+  int x591 = x590 * x589 + x588;
+  int x592 = x591 * x590 + x589;
+  int x593 = x592 * x591 + x590;
+  int x594 = x593 * x592 + x591;
+  int x595 = x594 * x593 + x592;
+  int x596 = x595 * x594 + x593;
+  int x597 = x596 * x595 + x594;
+  int x598 = x597 * x596 + x595;
+  int x599 = x598 * x597 + x596;
+  int x600 = x599 * x598 + x597;
+
+  return x600;
+}