From c13115c6331178d1d351dbeb6e44c0cf93be16ff Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 18 Aug 2003 22:32:03 +0000
Subject: [PATCH] The CBE generates code which violates the TBAA rules of C,
 thus we must disable optimizations based on these rules.  :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7964 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/bugpoint/ExecutionDriver.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/bugpoint/ExecutionDriver.cpp b/tools/bugpoint/ExecutionDriver.cpp
index 6a62233f92c..a9803f29e42 100644
--- a/tools/bugpoint/ExecutionDriver.cpp
+++ b/tools/bugpoint/ExecutionDriver.cpp
@@ -168,7 +168,13 @@ int GCC::ExecuteProgram(const std::string &ProgramFile,
   if (!SharedLib.empty()) // Specify the shared library to link in...
     GCCArgs.push_back(SharedLib.c_str());
   GCCArgs.push_back("-x");
-  GCCArgs.push_back((fileType == AsmFile) ? "assembler" : "c");
+  if (fileType == CFile) {
+    GCCArgs.push_back("c");
+    GCCArgs.push_back("-fno-strict-aliasing");
+  } else {
+    GCCArgs.push_back("assembler");
+  }
+
   GCCArgs.push_back(ProgramFile.c_str());  // Specify the input filename...
   GCCArgs.push_back("-o");
   GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...