re PR tree-optimization/38977 (bash no longer builds with profile-feedback)

	PR tree-optimization/38977
	PR gcov-profile/38292
	* calls.c (special_function_p): Disregard __builtin_
	prefix.

From-SVN: r143937

gcc/ChangeLog

+2009-02-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/38977
+	PR gcov-profile/38292
+	* calls.c (special_function_p): Disregard __builtin_
+	prefix.
+
 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
 
 	* config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow

gcc/calls.c

@@ -498,10 +498,14 @@ special_function_p (const_tree fndecl, int flags)
 	       && ! strcmp (name, "__builtin_alloca"))))
 	flags |= ECF_MAY_BE_ALLOCA;
 
-      /* Disregard prefix _, __ or __x.  */
+      /* Disregard prefix _, __, __x or __builtin_.  */
       if (name[0] == '_')
 	{
-	  if (name[1] == '_' && name[2] == 'x')
+	  if (name[1] == '_'
+	      && name[2] == 'b'
+	      && !strncmp (name + 3, "uiltin_", 7))
+	    tname += 10;
+	  else if (name[1] == '_' && name[2] == 'x')
 	    tname += 3;
 	  else if (name[1] == '_')
 	    tname += 2;