testcase for PR1647

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42570 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CFrontend/2007-10-02-VolatileArray.c b/test/CFrontend/2007-10-02-VolatileArray.c
new file mode 100644 (file)
index 0000000..7e8bf24
--- /dev/null
+++ b/test/CFrontend/2007-10-02-VolatileArray.c
@@ -0,0 +1,7 @@
+// RUN: %llvmgcc -S %s -o - | grep volatile
+// PR1647
+
+void foo(volatile int *p)
+{
+p[0] = 0;
+}