Disable strict alias analysis in the backend c compiler, as the code we

generate is not TBAA safe.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12774 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/gccld/GenerateCode.cpp b/tools/gccld/GenerateCode.cpp
index d6fad5f774ba684283ef73103a6df8048336e618..c985b8d5d0d22e9c683e6c3e7f1a91cb28bd4ff9 100644 (file)
--- a/tools/gccld/GenerateCode.cpp
+++ b/tools/gccld/GenerateCode.cpp
@@ -234,6 +234,7 @@ int llvm::GenerateNative(const std::string &OutputFilename,
   //  and linker because we don't know where to put the _start symbol.
   //  GCC mysteriously knows how to do it.
   cmd.push_back(gcc.c_str());
+  cmd.push_back("-fno-strict-aliasing");
   cmd.push_back("-O3");
   cmd.push_back("-o");
   cmd.push_back(OutputFilename.c_str());