Remove obviously incorrect branch.

llvm-svn: 149084
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 4e34dc5..e5ee889 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1684,8 +1684,7 @@
     // doesn't work.
     // FIXME: It'd be nicer to test if this directory exists, but I'm not sure
     // what all logic is needed to emulate the '=' prefix here.
-    if (Triple.getArch() == llvm::Triple::x86 ||
-        Triple.getArch() == llvm::Triple::ppc)
+    if (Triple.getArch() == llvm::Triple::x86)
       getFilePaths().push_back("=/usr/lib/i386");
 
     getFilePaths().push_back("=/usr/lib");