int-arith-convert.c makes assumptions about integer sizes, so force a specific architecture

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60420 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/int-arith-convert.c b/test/Sema/int-arith-convert.c
index 254c6c0..c2fad4b 100644
--- a/test/Sema/int-arith-convert.c
+++ b/test/Sema/int-arith-convert.c
@@ -1,4 +1,4 @@
-// RUN: clang -fsyntax-only -verify %s
+// RUN: clang -triple=i686-linux-gnu -fsyntax-only -verify %s
 
 // Check types are the same through redeclaration
 unsigned long x;