Index: llvm/lib/DebugInfo/DWARF/DWARFDebugAddr.cpp
===================================================================
--- llvm/lib/DebugInfo/DWARF/DWARFDebugAddr.cpp
+++ llvm/lib/DebugInfo/DWARF/DWARFDebugAddr.cpp
@@ -51,7 +51,7 @@
           HeaderOffset);
     }
     if (HeaderData.Length + sizeof(uint32_t) < sizeof(Header)) {
-      uint32_t TmpLength = getLength();
+      uint32_t TmpLength = HeaderData.Length;
       invalidateLength();
       return createStringError(errc::invalid_argument,
                          ".debug_addr table at offset 0x%" PRIx64
@@ -61,12 +61,13 @@
     }
     uint64_t End = HeaderOffset + getLength();
     if (!Data.isValidOffsetForDataOfSize(HeaderOffset, End - HeaderOffset)) {
-      uint32_t TmpLength = getLength();
+      uint32_t TmpLength = HeaderData.Length;
       invalidateLength();
-      return createStringError(errc::invalid_argument,
-          "section is not large enough to contain a .debug_addr table "
-          "of length 0x%" PRIx32 " at offset 0x%" PRIx64,
-          TmpLength, HeaderOffset);
+      return createStringError(
+          errc::invalid_argument,
+          "section is not large enough to contain an address table "
+          "at offset 0x%" PRIx64 " with a length field of 0x%" PRIx32,
+          HeaderOffset, TmpLength);
     }
 
     HeaderData.Version = Data.getU16(OffsetPtr);
@@ -87,9 +88,10 @@
   // implementations of .debug_addr table, which doesn't contain a header
   // and consists only of a series of addresses.
   if (HeaderData.Version > 5) {
-    return createStringError(errc::not_supported, "version %" PRIu16
-        " of .debug_addr section at offset 0x%" PRIx64 " is not supported",
-        HeaderData.Version, HeaderOffset);
+    return createStringError(errc::not_supported,
+                             ".debug_addr table at offset 0x%" PRIx64
+                             " has unsupported version %" PRIu16,
+                             HeaderOffset, HeaderData.Version);
   }
   // FIXME: For now we just treat version mismatch as an error,
   // however the correct way to associate a .debug_addr table
@@ -105,7 +107,8 @@
   if (HeaderData.AddrSize != 4 && HeaderData.AddrSize != 8)
     return createStringError(errc::not_supported,
                        ".debug_addr table at offset 0x%" PRIx64
-                       " has unsupported address size %" PRIu8,
+                       " has unsupported address size %" PRIu8
+                       " (4 and 8 are supported)",
                        HeaderOffset, HeaderData.AddrSize);
   if (HeaderData.AddrSize != AddrSize && AddrSize != 0)
     WarnCallback(createStringError(
Index: llvm/test/tools/llvm-dwarfdump/X86/debug_addr_invalid_addr_size.s
===================================================================
--- llvm/test/tools/llvm-dwarfdump/X86/debug_addr_invalid_addr_size.s
+++ llvm/test/tools/llvm-dwarfdump/X86/debug_addr_invalid_addr_size.s
@@ -4,7 +4,7 @@
 
 # CHECK: .debug_addr contents:
 # CHECK-NOT: {{.}}
-# ERR: unsupported address size 3
+# ERR: unsupported address size 3 (4 and 8 are supported)
 # ERR-NOT: {{.}}
 
 # invalid addr size
Index: llvm/test/tools/llvm-dwarfdump/X86/debug_addr_small_length_field.s
===================================================================
--- llvm/test/tools/llvm-dwarfdump/X86/debug_addr_small_length_field.s
+++ llvm/test/tools/llvm-dwarfdump/X86/debug_addr_small_length_field.s
@@ -4,7 +4,7 @@
 
 # CHECK: .debug_addr contents:
 # CHECK-NOT: {{.}}
-# ERR: .debug_addr table at offset 0x0 has too small length (0x5) to contain a complete header
+# ERR: .debug_addr table at offset 0x0 has too small length (0x1) to contain a complete header
 # ERR-NOT: {{.}}
 
 # too small length value
Index: llvm/test/tools/llvm-dwarfdump/X86/debug_addr_too_small_for_section.s
===================================================================
--- llvm/test/tools/llvm-dwarfdump/X86/debug_addr_too_small_for_section.s
+++ llvm/test/tools/llvm-dwarfdump/X86/debug_addr_too_small_for_section.s
@@ -4,7 +4,7 @@
 
 # CHECK: .debug_addr contents:
 # CHECK-NOT: {{.}}
-# ERR: section is not large enough to contain a .debug_addr table of length 0x10 at offset 0x0
+# ERR: section is not large enough to contain an address table at offset 0x0 with a length field of 0xc
 # ERR-NOT: {{.}}
 
 # too small section to contain section of given length
Index: llvm/test/tools/llvm-dwarfdump/X86/debug_addr_unsupported_version.s
===================================================================
--- llvm/test/tools/llvm-dwarfdump/X86/debug_addr_unsupported_version.s
+++ llvm/test/tools/llvm-dwarfdump/X86/debug_addr_unsupported_version.s
@@ -2,7 +2,7 @@
 # RUN: llvm-dwarfdump -debug-addr - 2> %t.err | FileCheck %s
 # RUN: FileCheck %s -input-file %t.err -check-prefix=ERR
 
-# ERR: version 6 of .debug_addr section at offset 0x0 is not supported
+# ERR: .debug_addr table at offset 0x0 has unsupported version 6
 # ERR-NOT: {{.}}
 
 # CHECK: .debug_addr contents