Vendor import of clang trunk r154661:

http://llvm.org/svn/llvm-project/cfe/trunk@r154661

1 files changed, 18 insertions, 0 deletions

diff --git a/test/CodeGenCXX/switch-case-folding.cpp b/test/CodeGenCXX/switch-case-folding.cpp
new file mode 100644
index 0000000..d4444b1
--- /dev/null
+++ b/test/CodeGenCXX/switch-case-folding.cpp
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 %s -emit-llvm-only
+// CHECK that we don't crash.
+
+int main(void){
+	int x = 12;
+	// Make sure we don't crash when constant folding the case 4
+	// statement due to the case 5 statement contained in the do loop
+	switch (4) {
+		case 4: do { 
+                     switch (6)  {
+                       case 6: {
+                         case 5: x++;
+                       };
+                     };
+                } while (x < 100);
+	}
+	return x;
+}