PR middle-end/49139 PR other/43564 make sure the inline function is inlined

From-SVN: r175241

gcc/ChangeLog

 2011-06-21  Christian Bruel  <christian.bruel@st.com>
 	
+	PR other/43564
+	* ipa-inline.c (can_inline_edge_p): Check !DECL_DISREGARD_INLINE_LIMITS.
+	
+2011-06-21  Christian Bruel  <christian.bruel@st.com>
+	
 	PR middle-end/49139
 	* cgraphunit.c (process_function_and_variable_attributes): warn when
 	always_inline functions that are not inline.

gcc/ipa-inline.c

@@ -318,8 +318,10 @@ can_inline_edge_p (struct cgraph_edge *e, bool report)
 			     ? callee_tree
 			     : optimization_default_node);
 
-      if ((caller_opt->x_optimize > callee_opt->x_optimize)
+      if (((caller_opt->x_optimize > callee_opt->x_optimize)
 	   || (caller_opt->x_optimize_size != callee_opt->x_optimize_size))
+	  /* gcc.dg/pr43564.c.  Look at forced inline even in -O0.  */
+	  && !DECL_DISREGARD_INLINE_LIMITS (e->callee->decl))
 	{
           e->inline_failed = CIF_TARGET_OPTIMIZATION_MISMATCH;
 	  inlinable = false;