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-rw-r--r--gcc/c-common.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/c-common.h b/gcc/c-common.h
index 89a4ae7..0d45693 100644
--- a/gcc/c-common.h
+++ b/gcc/c-common.h
@@ -401,6 +401,9 @@ extern int warn_missing_format_attribute;
extern int warn_pointer_arith;
+/* Nonzero means to warn about compile-time division by zero. */
+extern int warn_div_by_zero;
+
/* Nonzero means do some things the same way PCC does. */
extern int flag_traditional;