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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/opts.c8
2 files changed, 8 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 11ead219716..e31d6e7e050 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-04 Marek Polacek <polacek@redhat.com>
+
+ PR middle-end/55859
+ * opts.c (default_options_optimization): Clarify error message.
+
2013-01-04 Richard Biener <rguenther@suse.de>
PR middle-end/55863
diff --git a/gcc/opts.c b/gcc/opts.c
index b3a9afe8e4d..75e1d1c4343 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1,7 +1,6 @@
/* Command line option handling.
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
- 2012
-
+ 2012, 2013
Free Software Foundation, Inc.
Contributed by Neil Booth.
@@ -542,9 +541,8 @@ default_options_optimization (struct gcc_options *opts,
{
const int optimize_val = integral_argument (opt->arg);
if (optimize_val == -1)
- error_at (loc,
- "argument to %qs should be a non-negative integer",
- "-O");
+ error_at (loc, "argument to %<-O%> should be a non-negative "
+ "integer, %<g%>, %<s%> or %<fast%>");
else
{
opts->x_optimize = optimize_val;