Dwarf: use utostr on CUID to append to SmallString.

We used to do "SmallString += CUID", which is incorrect, since CUID will
be truncated to a char.

rdar://problem/13573833

llvm-svn: 178941

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index d3cb4f9..8bd9feb 100644 (file)
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -643,7 +643,7 @@ unsigned DwarfDebug::getOrCreateSourceID(StringRef FileName,
 
   // We look up the CUID/file/dir by concatenating them with a zero byte.
   SmallString<128> NamePair;
-  NamePair += CUID;
+  NamePair += utostr(CUID);
   NamePair += '\0';
   NamePair += DirName;
   NamePair += '\0'; // Zero bytes are not allowed in paths.