File gcc46-pr47858.patch of Package gcc

2011-03-01  Jakub Jelinek  <jakub@redhat.com>

PR debug/47858
	* opts.c (default_options_table): Enable -fipa-sra by default
	only for -O3, not for -O2 and -Os.

--- gcc/opts.c.jj	2011-02-20 08:36:59.888390890 +0100
+++ gcc/opts.c	2011-03-01 12:04:38.680558351 +0100
@@ -487,13 +487,13 @@ static const struct default_options defa
     { OPT_LEVELS_2_PLUS, OPT_ftree_switch_conversion, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_fipa_cp, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_fdevirtualize, NULL, 1 },
-    { OPT_LEVELS_2_PLUS, OPT_fipa_sra, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_falign_loops, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_falign_jumps, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_falign_labels, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_falign_functions, NULL, 1 },
 
     /* -O3 optimizations.  */
+    { OPT_LEVELS_3_PLUS, OPT_fipa_sra, NULL, 1 },
     { OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },
     { OPT_LEVELS_3_PLUS, OPT_fpredictive_commoning, NULL, 1 },
     /* Inlining of functions reducing size is a good idea with -Os