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-rw-r--r--Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 17cfa11ca716..1dc8873d4968 100644
--- a/Makefile
+++ b/Makefile
@@ -1061,6 +1061,9 @@ NOSTDINC_FLAGS += -nostdinc
# perform bounds checking.
KBUILD_CFLAGS += $(call cc-option, -fstrict-flex-arrays=3)
+# Allow including a tagged struct or union anonymously in another struct/union.
+KBUILD_CFLAGS += -fms-extensions
+
# disable invalid "can't wrap" optimizations for signed / pointers
KBUILD_CFLAGS += -fno-strict-overflow