gcc.c (main): Search for liblto_plugin.so with mode R_OK.

2010-04-18  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (main): Search for liblto_plugin.so with mode R_OK.

From-SVN: r158494

gcc/ChangeLog

+2010-04-18  Matthias Klose  <doko@ubuntu.com>
+
+	* gcc.c (main): Search for liblto_plugin.so with mode R_OK.
+
 2010-04-18 Ira Rosen <irar@il.ibm.com> 
 
 	PR tree-optimization/43771

gcc/gcc.c

@@ -7495,7 +7495,7 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
 			  fuse_linker_plugin + strlen (fuse_linker_plugin), 0))
 	{
 	  linker_plugin_file_spec = find_a_file (&exec_prefixes,
-						 "liblto_plugin.so", X_OK,
+						 "liblto_plugin.so", R_OK,
 						 false);
 	  if (!linker_plugin_file_spec)
 	    fatal ("-fuse-linker-plugin, but liblto_plugin.so not found");