calls.c (expand_call): If sibcall_failure is set during pass 1, clear tail_call_insns as well.

* calls.c (expand_call): If sibcall_failure is set during pass 1,
	clear tail_call_insns as well.

	* g++.old-deja/g++.other/eh2.C: New test.

From-SVN: r37087

gcc/ChangeLog

@@ -1,3 +1,8 @@
+2000-10-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* calls.c (expand_call): If sibcall_failure is set during pass 1,
+	clear tail_call_insns as well.
+
 2000-10-27  Nick Clifton  <nickc@redhat.com>
 
 	* config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add

gcc/calls.c

@@ -3363,10 +3363,6 @@ expand_call (exp, target, ignore)
 	{
 	  tail_call_insns = insns;
 
-	  /* If something prevents making this a sibling call,
-	     zero out the sequence.  */
-	  if (sibcall_failure)
-	    tail_call_insns = NULL_RTX;
 	  /* Restore the pending stack adjustment now that we have
 	     finished generating the sibling call sequence.  */
 
@@ -3385,6 +3381,11 @@ expand_call (exp, target, ignore)
 	}
       else
 	normal_call_insns = insns;
+
+      /* If something prevents making this a sibling call,
+	 zero out the sequence.  */
+      if (sibcall_failure)
+	tail_call_insns = NULL_RTX;
     }
 
   /* The function optimize_sibling_and_tail_recursive_calls doesn't

gcc/testsuite/ChangeLog

@@ -1,3 +1,7 @@
+2000-10-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* g++.old-deja/g++.other/eh2.C: New test.
+
 2000-10-27  Bernd Schmidt  <bernds@cygnus.co.uk>
 
 	* gcc.c-torture/execute/20001027-1.c: New test.

gcc/testsuite/g++.old-deja/g++.other/eh2.C

@@ -0,0 +1,18 @@
+// Build don't link:
+// Origin: Jakub Jelinek <jakub@redhat.com>
+// Special g++ Options: -O2
+
+class a {
+public:
+  double b;
+  int c;
+  ~a() { }
+};
+
+int bar(a x);
+a foo(double x);
+
+int baz(double x, int y)
+{
+   return bar(foo(x));
+}