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-rw-r--r--clang/lib/Basic/Targets.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index b94f55bdfd6..6624ed9d38e 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1418,6 +1418,10 @@ public:
DoubleAlign = LongLongAlign = LongDoubleAlign = 32;
SizeType = UnsignedLong;
+ // Do not respect the alignment of bit-field types when laying out
+ // structures. This corresponds to PCC_BITFIELD_TYPE_MATTERS in gcc.
+ UseBitFieldTypeAlignment = false;
+
if (IsThumb) {
DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-"
"i64:32:32-f32:32:32-f64:32:32-"
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