Supress a gcc-4.3 warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53771 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index c66454636551888ba70c7f4b21a83066c3b9a7d1..a8b4905a4cfc269245a408ec5939e4ac67f68e47 100644 (file)
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1138,7 +1138,7 @@ bool GVN::runOnFunction(Function& F) {
   
   if (EnablePRE) {
     bool PREChanged = false;
-    while (PREChanged = performPRE(F))
+    while ((PREChanged = performPRE(F)))
       changed |= PREChanged;
   }