PR7242: Make sure to use a different context for evaluating constant

initializers, so the result of the evaluation doesn't leak through
inconsistently.  Also, don't evaluate references to variables with
initializers with side-effects.

llvm-svn: 113128

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/test/CodeGen/fold-const-declref.c b/clang/test/CodeGen/fold-const-declref.c
new file mode 100644
index 00000000000..5a7ba8e26a7
--- /dev/null
+++ b/clang/test/CodeGen/fold-const-declref.c
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -verify -emit-llvm-only
+
+// PR7242: Check that this doesn't crash.
+int main(void)
+{
+  int __negative = 1;
+  const int __max = __negative && 0 ;
+  __max / 0;
+}