1 files changed, 9 insertions, 1 deletions

diff --git a/test/Sema/conversion.c b/test/Sema/conversion.c
index 298bf7564219..8b93a4662821 100644
--- a/test/Sema/conversion.c
+++ b/test/Sema/conversion.c
@@ -1,4 +1,6 @@
-// RUN: %clang_cc1 -fsyntax-only -verify -Wconversion -triple x86_64-apple-darwin %s
+// RUN: %clang_cc1 -fsyntax-only -verify -Wconversion -nostdinc -isystem %S/Inputs -triple x86_64-apple-darwin %s -Wno-unreachable-code
+
+#include <conversion.h>
 
 #define BIG 0x7f7f7f7f7f7f7f7fL
 
@@ -271,3 +273,9 @@ unsigned char test19(unsigned long u64) {
   unsigned char x3 = u64 & mask;
   return x1 + x2 + x3;
 }
+
+// <rdar://problem/7631400>
+void test_7631400(void) {
+  // This should show up despite the caret being inside a macro substitution
+  char s = LONG_MAX; // expected-warning {{implicit cast loses integer precision: 'long' to 'char'}}
+}