better warning for section conflict

gcc/:

2011-06-08  Andi Kleen  <ak@linux.intel.com>

	* varasm.c (get_section): Print location of other conflict
	for section conflicts.

From-SVN: r174836

gcc/ChangeLog

 2011-06-08  Andi Kleen  <ak@linux.intel.com>
 
+	* varasm.c (get_section): Print location of other conflict
+	for section conflicts.
+
+2011-06-08  Andi Kleen  <ak@linux.intel.com>
+
 	* config/i386/driver-i386.c (host_detect_local_cpu):
 	Add model 0x2d Intel CPU.
 

gcc/varasm.c

@@ -313,7 +313,11 @@ get_section (const char *name, unsigned int flags, tree decl)
 	  if (decl == 0)
 	    decl = sect->named.decl;
 	  gcc_assert (decl);
-	  error ("%+D causes a section type conflict", decl);
+	  error ("%+D causes a section type conflict with %D", 
+			decl, sect->named.decl);
+	  if (decl != sect->named.decl)
+            inform (DECL_SOURCE_LOCATION (sect->named.decl), 
+		    "%qD was declared here", sect->named.decl);
 	  /* Make sure we don't error about one section multiple times.  */
 	  sect->common.flags |= SECTION_OVERRIDE;
 	}