re PR c/49396 (c-family/c-cppbuiltin.c: duplicate if expressions)

2011-08-24  Richard Guenther  <rguenther@suse.de>

	PR c/49396

	c-family/
	* c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Fix conditional.

From-SVN: r178032

gcc/c-family/ChangeLog

-011-08-22  Gabriel Charette  <gchare@google.com>
+2011-08-24  Richard Guenther  <rguenther@suse.de>
+
+	PR c/49396
+	* c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Fix conditional.
+
+2011-08-22  Gabriel Charette  <gchare@google.com>
 
 	* c-opts.c (c_finish_options): Force BUILTINS_LOCATION for tokens
 	defined in cpp_init_builtins and c_cpp_builtins.

gcc/c-family/c-cppbuiltin.c

@@ -560,7 +560,7 @@ c_cpp_builtins_optimize_pragma (cpp_reader *pfile, tree prev_tree,
       cpp_undef (pfile, "__FINITE_MATH_ONLY__");
       cpp_define (pfile, "__FINITE_MATH_ONLY__=1");
     }
-  else if (!prev->x_flag_finite_math_only && cur->x_flag_finite_math_only)
+  else if (prev->x_flag_finite_math_only && !cur->x_flag_finite_math_only)
     {
       cpp_undef (pfile, "__FINITE_MATH_ONLY__");
       cpp_define (pfile, "__FINITE_MATH_ONLY__=0");