Allow bugpoint+PPC codegen to use fsqrt


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23128 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/ToolRunner.cpp b/lib/Support/ToolRunner.cpp
index f516986..6480c23 100644
--- a/lib/Support/ToolRunner.cpp
+++ b/lib/Support/ToolRunner.cpp
@@ -385,6 +385,9 @@
     GCCArgs.push_back("-fno-strict-aliasing");
   } else {
     GCCArgs.push_back("assembler");
+#ifdef __APPLE__
+    GCCArgs.push_back("-force_cpusubtype_ALL");
+#endif
   }
   GCCArgs.push_back(ProgramFile.c_str());  // Specify the input filename...
   GCCArgs.push_back("-o");