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-rw-r--r--gcc/flags.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/flags.h b/gcc/flags.h
index dffe299d5f8..bc8019edf34 100644
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -700,6 +700,9 @@ enum pta_type
};
extern enum pta_type flag_tree_points_to;
+/* Enable FRE (Full Redundancy Elimination) on trees. */
+extern int flag_tree_fre;
+
/* Nonzero means put zero initialized data in the bss section. */
extern int flag_zero_initialized_in_bss;