calls.c (expand_call): Emit queued insns before creating the tail recursion sequence.

        * calls.c (expand_call): Emit queued insns before creating
        the tail recursion sequence.

	* gcc.c-torture/execute/20001130-1.c: New test.

From-SVN: r37898

gcc/ChangeLog

+2000-11-30  Richard Henderson  <rth@redhat.com>
+
+	* calls.c (expand_call): Emit queued insns before creating
+	the tail recursion sequence.
+
 2000-11-30  J. David Anglin  <dave.anglin@nrc.ca>
             Bruce Korb  <bkorb@gnu.org>
 

gcc/calls.c

@@ -2552,6 +2552,10 @@ expand_call (exp, target, ignore)
       int save_pending_stack_adjust = pending_stack_adjust;
       int save_stack_pointer_delta = stack_pointer_delta;
 
+      /* Emit any queued insns now; otherwise they would end up in
+	 only one of the alternates.  */
+      emit_queue ();
+
       /* Use a new sequence to hold any RTL we generate.  We do not even
 	 know if we will use this RTL yet.  The final decision can not be
 	 made until after RTL generation for the entire function is

gcc/testsuite/ChangeLog

+2000-11-30  Richard Henderson  <rth@redhat.com>
+
+	* gcc.c-torture/execute/20001130-1.c: New test.
+
 2000-11-30  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* g++.old-deja/g++.other/op3.C: New test.

gcc/testsuite/gcc.c-torture/execute/20001130-1.c

+static inline int bar(void) { return 1; }
+static int mem[3];
+
+static int foo(int x)
+{
+  if (x != 0)
+    return x;
+
+  mem[x++] = foo(bar());
+
+  if (x != 1)
+    abort();
+
+  return 0;
+}
+
+int main()
+{
+  foo(0);
+  return 0;
+}