And this behavior is not limited to -fdelete-null-pointer-checks.

gcc/

        PR tree-optimization/122040
        * doc/invoke.texi (-fisolate-erroneous-paths-dereference):
        Mention it also turns division by zero into a trap in addition
        to null dereference.
---

Ok for trunk?

 gcc/doc/invoke.texi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2eab5140bc2..5b5b27845ff 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -14359,10 +14359,10 @@ Note that @option{-flive-patching} is not supported 
with link-time optimization
 @opindex fisolate-erroneous-paths-dereference
 @item -fisolate-erroneous-paths-dereference
 Detect paths that trigger erroneous or undefined behavior due to
-dereferencing a null pointer.  Isolate those paths from the main control
-flow and turn the statement with erroneous or undefined behavior into a trap.
-This flag is enabled by default at @option{-O2} and higher and depends on
-@option{-fdelete-null-pointer-checks} also being enabled.
+dereferencing a null pointer (with @option{-fdelete-null-pointer-checks}
+enabled) or a division by zero.  Isolate those paths from the main control
+flow and turn the statement with erroneous or undefined behavior into a
+trap.  This flag is enabled by default at @option{-O2} and higher.
 
 @opindex fisolate-erroneous-paths-attribute
 @item -fisolate-erroneous-paths-attribute
-- 
2.51.0

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