1 files changed, 14 insertions, 0 deletions
diff --git a/clang/test/Sema/align-x86-64.c b/clang/test/Sema/align-x86-64.c
index 6dcf5714b00..edea5d8b742 100644
--- a/clang/test/Sema/align-x86-64.c
+++ b/clang/test/Sema/align-x86-64.c
@@ -9,3 +9,17 @@ void foo(void) {
   char y[__alignof__(x) == 16 ? 1 : -1];
   frob(y);
 }
+
+// PR5637
+
+typedef __attribute__((aligned(16))) struct {
+  unsigned long long w[3];
+} UINT192;
+
+UINT192 ten2mk192M[] = {
+    {{0xcddd6e04c0592104ULL, 0x0fcf80dc33721d53ULL, 0xa7c5ac471b478423ULL}},
+    {{0xcddd6e04c0592104ULL, 0x0fcf80dc33721d53ULL, 0xa7c5ac471b478423ULL}},
+    {{0xcddd6e04c0592104ULL, 0x0fcf80dc33721d53ULL, 0xa7c5ac471b478423ULL}}
+};
+
+short chk1[sizeof(ten2mk192M) == 80 ? 1 : -1];