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-rw-r--r--gcc/fortran/invoke.texi3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi
index c0be1ab..87baf15 100644
--- a/gcc/fortran/invoke.texi
+++ b/gcc/fortran/invoke.texi
@@ -929,7 +929,8 @@ is active for @option{-pedantic}, @option{-std=f95}, @option{-std=f2003},
@opindex @code{Wundefined-do-loop}
@cindex warnings, undefined do loop
Warn if a DO loop with step either 1 or -1 yields an underflow or an overflow
-during iteration of an induction variable of the loop. Enabled by default.
+during iteration of an induction variable of the loop.
+This option is implied by @option{-Wall}.
@item -Wunderflow
@opindex @code{Wunderflow}