1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr36997.c b/gcc/testsuite/gcc.dg/pr36997.c
new file mode 100644
index 00000000000..34ee54a6827
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr36997.c
@@ -0,0 +1,8 @@
+/* { dg-do compile { target x86_64-*-* i?86-*-* } } */
+/* { dg-options "-std=c99" } */
+
+typedef int __m64 __attribute__ ((__vector_size__ (8), __may_alias__));
+__m64 _mm_add_si64 (__m64 __m1, __m64 __m2)
+{
+    return (__m64) __builtin_ia32_paddq ((long long)__m1, (long long)__m2); /* { dg-error "incompatible type" } */
+}