[clang] e90343a - Fix regressioin in test dwp-separate-debug-file.cpp

[Yaxun Liu via cfe-commits]

Author: Yaxun (Sam) Liu
Date: 2020-09-23T11:49:59-04:00
New Revision: e90343ada3bda55c697e7ae06dda3f8d8d6ded34

URL: https://github.com/llvm/llvm-project/commit/e90343ada3bda55c697e7ae06dda3f8d8d6ded34
DIFF: https://github.com/llvm/llvm-project/commit/e90343ada3bda55c697e7ae06dda3f8d8d6ded34.diff

LOG: Fix regressioin in test dwp-separate-debug-file.cpp

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/CommonArgs.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index f0ab0ef5c10f..d545bb551474 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -918,7 +918,7 @@ const char *tools::SplitDebugName(const JobAction &JA, const ArgList &Args,
   if (FinalOutput && Args.hasArg(options::OPT_c)) {
     SmallString<128> T(FinalOutput->getValue());
     llvm::sys::path::remove_filename(T);
-    T += llvm::sys::path::stem(FinalOutput->getValue());
+    llvm::sys::path::append(T, llvm::sys::path::stem(FinalOutput->getValue()));
     AddPostfix(T);
     return Args.MakeArgString(T);
   } else {