Make sure to cast the VLA size of array to the type of size_t. Fixes PR3442.

llvm-svn: 63394

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/test/CodeGen/sizeof-vla.c b/clang/test/CodeGen/sizeof-vla.c
new file mode 100644
index 00000000000..d49bf120975
--- /dev/null
+++ b/clang/test/CodeGen/sizeof-vla.c
@@ -0,0 +1,13 @@
+// RUN: clang -triple x86_64-unknown-unknown -emit-llvm -o %t %s
+
+// PR3442
+
+static void *g(unsigned long len);
+
+void
+f(int n)
+{
+ unsigned begin_set[n];
+ 
+ g(sizeof(begin_set));
+}