[Bug target/66703] [4.9/5/6] gcc.target/i386/readeflags-1.c aborts on -march=i586 or on -miamcu

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66703

--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> ---
This patch makes testcase more robust:

--cut here--
Index: readeflags-1.c
===================================================================
--- readeflags-1.c      (revision 225648)
+++ readeflags-1.c      (working copy)
@@ -11,10 +11,11 @@
 #define EFLAGS_TYPE unsigned int
 #endif

-static EFLAGS_TYPE
+__attribute__((noinline, noclone))
+EFLAGS_TYPE
 readeflags_test (unsigned int a, unsigned int b)
 {
-  unsigned x = (a == b);
+  volatile char x = (a == b);
   return __readeflags ();
 }

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