Index: lib/IR/GCOV.cpp
===================================================================
--- lib/IR/GCOV.cpp
+++ lib/IR/GCOV.cpp
@@ -589,8 +589,12 @@
 /// print -  Print source files with collected line count information.
 void FileInfo::print(raw_ostream &InfoOS, StringRef MainFilename,
                      StringRef GCNOFile, StringRef GCDAFile) {
-  for (const auto &LI : LineInfo) {
-    StringRef Filename = LI.first();
+  SmallVector<StringRef, 4> Filenames;
+  for (const auto &LI : LineInfo)
+    Filenames.push_back(LI.first());
+  std::sort(Filenames.begin(), Filenames.end());
+
+  for (StringRef Filename : Filenames) {
     auto AllLines = LineConsumer(Filename);
 
     std::string CoveragePath = getCoveragePath(Filename, MainFilename);
@@ -603,7 +607,7 @@
     CovOS << "        -:    0:Runs:" << RunCount << "\n";
     CovOS << "        -:    0:Programs:" << ProgramCount << "\n";
 
-    const LineData &Line = LI.second;
+    const LineData &Line = LineInfo[Filename];
     GCOVCoverage FileCoverage(Filename);
     for (uint32_t LineIndex = 0; LineIndex < Line.LastLine || !AllLines.empty();
          ++LineIndex) {
Index: test/tools/llvm-cov/Inputs/test_-b.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_-b.output
+++ test/tools/llvm-cov/Inputs/test_-b.output
@@ -1,3 +1,9 @@
+File './test.h'
+Lines executed:100.00% of 1
+No branches
+No calls
+./test.h:creating 'test.h.gcov'
+
 File 'test.cpp'
 Lines executed:84.21% of 38
 Branches executed:100.00% of 15
@@ -5,9 +11,3 @@
 No calls
 test.cpp:creating 'test.cpp.gcov'
 
-File './test.h'
-Lines executed:100.00% of 1
-No branches
-No calls
-./test.h:creating 'test.h.gcov'
-
Index: test/tools/llvm-cov/Inputs/test_-f.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_-f.output
+++ test/tools/llvm-cov/Inputs/test_-f.output
@@ -1,3 +1,9 @@
+Function '_ZN1AC1Ev'
+Lines executed:100.00% of 1
+
+Function '_ZN1AC2Ev'
+Lines executed:100.00% of 1
+
 Function '_ZN1A1BEv'
 Lines executed:100.00% of 1
 
@@ -22,17 +28,11 @@
 Function 'main'
 Lines executed:91.67% of 24
 
-Function '_ZN1AC1Ev'
-Lines executed:100.00% of 1
-
-Function '_ZN1AC2Ev'
+File './test.h'
 Lines executed:100.00% of 1
+./test.h:creating 'test.h.gcov'
 
 File 'test.cpp'
 Lines executed:84.21% of 38
 test.cpp:creating 'test.cpp.gcov'
 
-File './test.h'
-Lines executed:100.00% of 1
-./test.h:creating 'test.h.gcov'
-
Index: test/tools/llvm-cov/Inputs/test_long_file_names.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_long_file_names.output
+++ test/tools/llvm-cov/Inputs/test_long_file_names.output
@@ -1,8 +1,8 @@
-File 'srcdir/./nested_dir/../test.h'
-Lines executed:100.00% of 1
-srcdir/./nested_dir/../test.h:creating 'test_paths.cpp##test.h.gcov'
-
 File 'srcdir/./nested_dir/../test.cpp'
 Lines executed:84.21% of 38
 srcdir/./nested_dir/../test.cpp:creating 'test_paths.cpp##test.cpp.gcov'
 
+File 'srcdir/./nested_dir/../test.h'
+Lines executed:100.00% of 1
+srcdir/./nested_dir/../test.h:creating 'test_paths.cpp##test.h.gcov'
+
Index: test/tools/llvm-cov/Inputs/test_long_paths.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_long_paths.output
+++ test/tools/llvm-cov/Inputs/test_long_paths.output
@@ -1,8 +1,8 @@
-File 'srcdir/./nested_dir/../test.h'
-Lines executed:100.00% of 1
-srcdir/./nested_dir/../test.h:creating 'srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.h.gcov'
-
 File 'srcdir/./nested_dir/../test.cpp'
 Lines executed:84.21% of 38
 srcdir/./nested_dir/../test.cpp:creating 'srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.cpp.gcov'
 
+File 'srcdir/./nested_dir/../test.h'
+Lines executed:100.00% of 1
+srcdir/./nested_dir/../test.h:creating 'srcdir#^#test_paths.cpp##srcdir#nested_dir#^#test.h.gcov'
+
Index: test/tools/llvm-cov/Inputs/test_missing.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_missing.output
+++ test/tools/llvm-cov/Inputs/test_missing.output
@@ -1,8 +1,8 @@
-File 'srcdir/./nested_dir/../test.h'
-Lines executed:100.00% of 1
-srcdir/./nested_dir/../test.h:creating 'test.h.gcov'
-
 File 'srcdir/./nested_dir/../test.cpp'
 Lines executed:84.21% of 38
 srcdir/./nested_dir/../test.cpp:creating 'test.cpp.gcov'
 
+File 'srcdir/./nested_dir/../test.h'
+Lines executed:100.00% of 1
+srcdir/./nested_dir/../test.h:creating 'test.h.gcov'
+
Index: test/tools/llvm-cov/Inputs/test_no_gcda.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_no_gcda.output
+++ test/tools/llvm-cov/Inputs/test_no_gcda.output
@@ -1,8 +1,8 @@
-File 'test.cpp'
-Lines executed:0.00% of 38
-test.cpp:creating 'test.cpp.gcov'
-
 File './test.h'
 Lines executed:0.00% of 1
 ./test.h:creating 'test.h.gcov'
 
+File 'test.cpp'
+Lines executed:0.00% of 38
+test.cpp:creating 'test.cpp.gcov'
+
Index: test/tools/llvm-cov/Inputs/test_no_options.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_no_options.output
+++ test/tools/llvm-cov/Inputs/test_no_options.output
@@ -1,8 +1,8 @@
-File 'test.cpp'
-Lines executed:84.21% of 38
-test.cpp:creating 'test.cpp.gcov'
-
 File './test.h'
 Lines executed:100.00% of 1
 ./test.h:creating 'test.h.gcov'
 
+File 'test.cpp'
+Lines executed:84.21% of 38
+test.cpp:creating 'test.cpp.gcov'
+
Index: test/tools/llvm-cov/Inputs/test_no_output.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_no_output.output
+++ test/tools/llvm-cov/Inputs/test_no_output.output
@@ -1,6 +1,6 @@
-File 'test.cpp'
-Lines executed:84.21% of 38
-
 File './test.h'
 Lines executed:100.00% of 1
 
+File 'test.cpp'
+Lines executed:84.21% of 38
+
Index: test/tools/llvm-cov/Inputs/test_no_preserve_paths.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_no_preserve_paths.output
+++ test/tools/llvm-cov/Inputs/test_no_preserve_paths.output
@@ -1,8 +1,8 @@
-File 'srcdir/./nested_dir/../test.h'
-Lines executed:100.00% of 1
-srcdir/./nested_dir/../test.h:creating 'test.h.gcov'
-
 File 'srcdir/./nested_dir/../test.cpp'
 Lines executed:84.21% of 38
 srcdir/./nested_dir/../test.cpp:creating 'test.cpp.gcov'
 
+File 'srcdir/./nested_dir/../test.h'
+Lines executed:100.00% of 1
+srcdir/./nested_dir/../test.h:creating 'test.h.gcov'
+
Index: test/tools/llvm-cov/Inputs/test_preserve_paths.output
===================================================================
--- test/tools/llvm-cov/Inputs/test_preserve_paths.output
+++ test/tools/llvm-cov/Inputs/test_preserve_paths.output
@@ -1,8 +1,8 @@
-File 'srcdir/./nested_dir/../test.h'
-Lines executed:100.00% of 1
-srcdir/./nested_dir/../test.h:creating 'srcdir#nested_dir#^#test.h.gcov'
-
 File 'srcdir/./nested_dir/../test.cpp'
 Lines executed:84.21% of 38
 srcdir/./nested_dir/../test.cpp:creating 'srcdir#nested_dir#^#test.cpp.gcov'
 
+File 'srcdir/./nested_dir/../test.h'
+Lines executed:100.00% of 1
+srcdir/./nested_dir/../test.h:creating 'srcdir#nested_dir#^#test.h.gcov'
+