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-rw-r--r--gcc/common.opt4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/common.opt b/gcc/common.opt
index 8f25f8b..fb9e9da 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -592,6 +592,10 @@ Wlarger-than=
Common RejectNegative Joined UInteger Warning
-Wlarger-than=<number> Warn if an object is larger than <number> bytes
+Wnull-dereference
+Common Var(warn_null_dereference) Warning EnabledBy(Wall)
+Warn if dereferencing a NULL pointer may lead to erroneous or undefined behavior
+
Wunsafe-loop-optimizations
Common Var(warn_unsafe_loop_optimizations) Warning
Warn if the loop cannot be optimized due to nontrivial assumptions.