re PR c++/17115 (-Winline does not respect __attribute__((__noinline__)))

	PR c++/17115
	* tree-inline.c (expand_call_inline): Do not warn for functions
	marked with attribute noinline.

	PR c++/17115
	* g++.dg/warn/Winline-4.C: New test.

From-SVN: r88678

gcc/ChangeLog

+2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
+
+	PR c++/17115
+	* tree-inline.c (expand_call_inline): Do not warn for functions
+	marked with attribute noinline.
+
 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	PR target/17862

gcc/testsuite/ChangeLog

+2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
+
+	PR c++/17115
+	* g++.dg/warn/Winline-4.C: New test.
+
 2004-10-07  Christian Ehrhardt  <ehrhardt@mathematik.uni-ulm.de>
 
 	* gcc.c-torture/compile/20041007-1.c: New test.

gcc/testsuite/g++.dg/warn/Winline-4.C

+// { dg-do compile }
+// { dg-options "-O2 -Winline" }
+// Origin: <markus at oberhumer dot com>
+// PR 17115: We should not emit -Winline warning for functions marked with
+//  noinline
+
+struct Foo {
+  __attribute__((noinline)) int a(int r) { return r & 1; }
+  virtual __attribute__((noinline)) int b(int r) { return r & 1; }
+  static  __attribute__((noinline)) int c(int r) { return r & 1; }
+};
+
+int bar(int r) {
+  Foo f;
+  int k = 1; k &= f.a(r); k &= f.b(r); k &= f.a(r);
+  return k;
+}

gcc/tree-inline.c

@@ -1475,7 +1475,8 @@ expand_call_inline (tree *tp, int *walk_subtrees, void *data)
 	}
       else if (warn_inline && DECL_DECLARED_INLINE_P (fn)
 	       && !DECL_IN_SYSTEM_HEADER (fn)
-	       && strlen (reason))
+	       && strlen (reason)
+	       && !lookup_attribute ("noinline", DECL_ATTRIBUTES (fn)))
 	{
 	  warning ("%Jinlining failed in call to '%F': %s", fn, fn, reason);
 	  warning ("called from here");