re PR tree-optimization/38405 ((silent failure) handling bitfield in ternary)

2008-12-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR tree-optimization/38405
	* gcc.dg/torture/pr38405.c: New.

From-SVN: r142538

gcc/testsuite/ChangeLog

+2008-12-07  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR tree-optimization/38405
+	* gcc.dg/torture/pr38405.c: New.
+
 2008-12-07  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/aggr10.adb: New test.

gcc/testsuite/gcc.dg/torture/pr38405.c

+/* { dg-do run } */
+
+extern void abort ();
+extern int printf (char *__format, ...);
+
+struct vpiBinaryConst {
+ int signed_flag :1;
+ int sized_flag :1;
+};
+
+int binary_get(int code, struct vpiBinaryConst *rfp)
+{
+ switch (code) {
+  case 1:
+   return rfp->signed_flag ? 1 : 0;
+  default:
+   printf("error: %d not supported\n", code);
+   return code;
+ }
+}
+
+int main(void)
+{
+ struct vpiBinaryConst x={1,0};
+ int y=binary_get(1, &x);
+ if (y!=1)
+   abort ();
+ return 0;
+}