Don't stack-allocate an IntegerLiteral which can be referred to after the current method returns. PR11744, part 2.

llvm-svn: 148995

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/c99-variable-length-array.cpp b/clang/test/CodeGenCXX/c99-variable-length-array.cpp
index 76f99c7..d486f9b 100644
--- a/clang/test/CodeGenCXX/c99-variable-length-array.cpp
+++ b/clang/test/CodeGenCXX/c99-variable-length-array.cpp
@@ -25,3 +25,13 @@ void f(int argc, const char* argv[]) {
   // CHECK: call void @_ZN1XD1Ev
   // CHECK: ret void
 }
+
+namespace PR11744 {
+  // Make sure this doesn't crash; there was a use-after-free issue
+  // for this testcase.
+  template<typename T> int f(int n) {
+    T arr[3][n];
+    return 3;
+  }
+  int test = f<int>(0);
+}