re PR target/51106 (ICE in move_insn, at haifa-sched.c:2314)

gcc:/
2012-01-20  Andrey Belevantsev  <abel@ispras.ru>

      PR target/51106
      * function.c (instantiate_virtual_regs_in_insn): Use
      delete_insn_and_edges when removing a wrong asm insn.

testsuite:/
2012-01-20  Jakub Jelinek  <jakub@redhat.com>

      PR target/51106
      * gcc.dg/torture/pr51106-1.c: New test.
      * gcc.dg/torture/pr51106-2.c: New test.

From-SVN: r183325

gcc/ChangeLog

+2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
+
+	PR target/51106
+	* function.c (instantiate_virtual_regs_in_insn): Use
+	delete_insn_and_edges when removing a wrong asm insn.
+
 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR rtl-optimization/40761

gcc/function.c

@@ -1737,7 +1737,7 @@ instantiate_virtual_regs_in_insn (rtx insn)
       if (!check_asm_operands (PATTERN (insn)))
 	{
 	  error_for_asm (insn, "impossible constraint in %<asm%>");
-	  delete_insn (insn);
+	  delete_insn_and_edges (insn);
 	}
     }
   else

gcc/testsuite/ChangeLog

+2012-01-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/51106
+	* gcc.dg/torture/pr51106-1.c: New test.
+	* gcc.dg/torture/pr51106-2.c: New test.
+
 2012-01-19  Kai Tietz  <ktietz@redhat.com>
 
 	* g++.dg/torture/pr51344.C: New test.

gcc/testsuite/gcc.dg/torture/pr51106-1.c

+/* PR target/51106 */
+/* { dg-do "compile" } */
+/* { dg-skip-if "RTL error" { "*-*-*" } { "-fno-fat-lto-objects" } { "" } } */
+
+int
+foo (int x)
+{
+  asm goto ("" : : "i" (x) : : lab); /* { dg-error "impossible constraint" } */
+  return 1;
+lab:
+  return 0;
+}
+
+/* { dg-warning "probably doesn.t match constraints" "" { target *-*-* } 8 } */

gcc/testsuite/gcc.dg/torture/pr51106-2.c

+/* PR target/51106 */
+/* { dg-do "compile" } */
+/* { dg-skip-if "RTL error" { "*-*-*" } { "-fno-fat-lto-objects" } { "" } } */
+
+int
+bar (int x)
+{
+  asm goto ("" : : "i" (x) : : lab); /* { dg-error "impossible constraint" } */
+  __builtin_unreachable ();
+lab:
+  return 0;
+}
+
+/* { dg-warning "probably doesn.t match constraints" "" { target *-*-* } 8 } */