opts.c (decode_options): If optimize is bigger than 255, set it to 255.

	* opts.c (decode_options): If optimize is bigger than 255,
	set it to 255.

	* gcc.dg/O16384.c: New test.

From-SVN: r154699

1 files changed, 2 insertions, 0 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index 3a825ce..7660bd8 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -829,6 +829,8 @@ decode_options (unsigned int argc, const char **argv)
 	      if (optimize_val != -1)
 		{
 		  optimize = optimize_val;
+		  if ((unsigned int) optimize > 255)
+		    optimize = 255;
 		  optimize_size = 0;
 		}
 	    }