re PR middle-end/33706 (gcc_assert failure in verify_eh_edges)

gcc/ChangeLog:
PR middle-end/33706
* tree-inline.c (copy_bb): Use bsi_replace to replace a
__builtin_va_arg_pack-containing call stmt.
gcc/testsuite/ChangeLog:
PR middle-end/33706
* gcc.dg/va-arg-pack-2.c: New.

From-SVN: r129355

gcc/ChangeLog

+2007-10-15  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR middle-end/33706
+	* tree-inline.c (copy_bb): Use bsi_replace to replace a
+	__builtin_va_arg_pack-containing call stmt.
+
 2007-10-15  Razya Ladelsky  <razya@il.ibm.com>
 
         * matrix-reorg.c (gate_matrix_reorg): Don't comment out whole

gcc/testsuite/ChangeLog

+2007-10-15  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR middle-end/33706
+	* gcc.dg/va-arg-pack-2.c: New.
+
 2007-10-15  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/33619

gcc/testsuite/gcc.dg/va-arg-pack-2.c

+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+extern void noreturn (int status, ...);
+
+extern inline __attribute ((always_inline)) void
+error (int status, ...)
+{
+  if (__builtin_constant_p (status))
+    noreturn (status, __builtin_va_arg_pack ());
+}
+
+void
+f (void)
+{
+  error (1);
+}

gcc/tree-inline.c

@@ -863,10 +863,19 @@ copy_bb (copy_body_data *id, basic_block bb, int frequency_scale, int count_scal
 		  if (TREE_CODE (*call_ptr) == WITH_SIZE_EXPR)
 		    call_ptr = &TREE_OPERAND (*call_ptr, 0);
 		  gcc_assert (*call_ptr == call);
+		  if (call_ptr == stmtp)
+		    {
+		      bsi_replace (&copy_bsi, new_call, true);
+		      stmtp = bsi_stmt_ptr (copy_bsi);
+		      stmt = *stmtp;
+		    }
+		  else
+		    {
 		      *call_ptr = new_call;
 		      stmt = *stmtp;
 		      update_stmt (stmt);
 		    }
+		}
 	      else if (call
 		       && id->call_expr
 		       && (decl = get_callee_fndecl (call))