commit 4b13633082f523b91b0eeee92cafe9f7958e6cec
author John McCall <rjmccall@apple.com> Sat Feb 26 08:27:17 2011 +0000
committer John McCall <rjmccall@apple.com> Sat Feb 26 08:27:17 2011 +0000
tree 48a2ad841c6eb5bd250bc1be82e31b64ca22ee20
parent 53fcbd2718222d3c2abef0a39cf7bb73f2d63b8f

Don't crash during constant-evaluation of 1/(1/0).  PR9262.

llvm-svn: 126541

clang/lib/AST/ExprConstant.cpp

diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 656bb99..3a5eb66 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -2926,7 +2926,7 @@
           Exp->getOpcode() == BO_Rem) {
         // Evaluate gives an error for undefined Div/Rem, so make sure
         // we don't evaluate one.
-        if (LHSResult.Val != 2 && RHSResult.Val != 2) {
+        if (LHSResult.Val == 0 && RHSResult.Val == 0) {
           llvm::APSInt REval = Exp->getRHS()->EvaluateAsInt(Ctx);
           if (REval == 0)
             return ICEDiag(1, E->getLocStart());