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Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
-rw-r--r--lib/CodeGen/AsmPrinter/DwarfDebug.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 5618f09efe..f41b7693ba 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1805,6 +1805,11 @@ void DwarfDebug::constructCompileUnit(const MDNode *N) {
DICompileUnit DIUnit(N);
StringRef FN = DIUnit.getFilename();
StringRef Dir = DIUnit.getDirectory();
+ if (Dir.empty()) {
+ sys::Path AbsFileDirName(FN);
+ AbsFileDirName.makeAbsolute();
+ Dir = AbsFileDirName.getDirname();
+ }
unsigned ID = GetOrCreateSourceID(Dir, FN);
DIE *Die = new DIE(dwarf::DW_TAG_compile_unit);