c-decl.c (c_expand_deferred_function): Only call c_expand_body if fndecl is…

c-decl.c (c_expand_deferred_function): Only call c_expand_body if fndecl is still DECL_INLINE and has DECL_RESULT.

	* c-decl.c (c_expand_deferred_function): Only call c_expand_body
	if fndecl is still DECL_INLINE and has DECL_RESULT.

	* gcc.c-torture/compile/20011119-1.c: New test.
	* gcc.c-torture/compile/20011119-2.c: New test.

From-SVN: r47240

gcc/ChangeLog

+2001-11-21  Jakub Jelinek  <jakub@redhat.com>
+
+	* c-decl.c (c_expand_deferred_function): Only call c_expand_body
+	if fndecl is still DECL_INLINE and has DECL_RESULT.
+
 2001-11-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* clipper.c (clipper_movstr): Avoid uninitialized warning.

gcc/c-decl.c

@@ -6768,8 +6768,13 @@ void
 c_expand_deferred_function (fndecl)
      tree fndecl;
 {
-  c_expand_body (fndecl, 0, 0);
-  current_function_decl = NULL;
+  /* DECL_INLINE or DECL_RESULT might got cleared after the inline
+     function was deferred, e.g. in duplicate_decls.  */
+  if (DECL_INLINE (fndecl) && DECL_RESULT (fndecl))
+    {
+      c_expand_body (fndecl, 0, 0);
+      current_function_decl = NULL;
+    }
 }
 
 /* Generate the RTL for the body of FNDECL.  If NESTED_P is non-zero,

gcc/testsuite/ChangeLog

+2001-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.c-torture/compile/20011119-1.c: New test.
+	* gcc.c-torture/compile/20011119-2.c: New test.
+
 2001-11-17  Aldy Hernandez  <aldyh@redhat.com>
 
         * gcc.dg/altivec-1.c: Fix typo.

gcc/testsuite/gcc.c-torture/compile/20011119-1.c

+extern inline int foo (void)
+{
+  return 23;
+}
+extern int foo (void) __attribute__ ((weak, alias ("xxx")));

gcc/testsuite/gcc.c-torture/compile/20011119-2.c

+extern inline int foo (void)
+{
+  return 23;
+}
+int bar (void)
+{
+  return foo ();
+}
+extern int foo (void) __attribute__ ((weak, alias ("xxx")));
+int baz (void)
+{
+  return foo ();
+}