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-rw-r--r--arch/arm/Makefile8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 08a9ef58d9c3..6ca3f2ebaa9c 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -52,6 +52,14 @@ endif
comma = ,
+#
+# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
+# later may result in code being generated that handles signed short and signed
+# char struct members incorrectly. So disable it.
+# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
+#
+KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
+
# This selects which instruction set is used.
# Note that GCC does not numerically define an architecture version
# macro, but instead defines a whole series of macros which makes