PNaCl: Extend ExpandMulWithOverflow pass to handle uadd.with.overflow too

tools/opt/opt.cpp

Index: tools/opt/opt.cpp
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 35e18d02ad5dcbcaf0a474edac75f84dc4f0d81a..af8cbb75a1d1b134f47d08e8a066433c14a62a78 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -598,11 +598,11 @@ int main(int argc, char **argv) {
   initializeInstrumentation(Registry);
   initializeTarget(Registry);
   // @LOCALMOD-BEGIN
+  initializeExpandArithWithOverflowPass(Registry);
   initializeExpandByValPass(Registry);
   initializeExpandConstantExprPass(Registry);
   initializeExpandCtorsPass(Registry);
   initializeExpandGetElementPtrPass(Registry);
-  initializeExpandMulWithOverflowPass(Registry);
   initializeExpandTlsPass(Registry);
   initializeExpandTlsConstantExprPass(Registry);
   initializeExpandVarArgsPass(Registry);