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-rw-r--r--gcc-4.9/gcc/c-family/c-opts.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/c-family/c-opts.c b/gcc-4.9/gcc/c-family/c-opts.c
index e162e49a1..29e9a355b 100644
--- a/gcc-4.9/gcc/c-family/c-opts.c
+++ b/gcc-4.9/gcc/c-family/c-opts.c
@@ -851,6 +851,12 @@ c_common_post_options (const char **pfilename)
if (flag_objc_exceptions && !flag_objc_sjlj_exceptions)
flag_exceptions = 1;
+ /* If -ffreestanding, -fno-hosted or -fno-builtin then disable
+ pattern recognition. */
+ if (!global_options_set.x_flag_tree_loop_distribute_patterns
+ && flag_no_builtin)
+ flag_tree_loop_distribute_patterns = 0;
+
/* -Woverlength-strings is off by default, but is enabled by -Wpedantic.
It is never enabled in C++, as the minimum limit is not normative
in that standard. */