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-rw-r--r--lib/Basic/Targets.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 89b6ce960b..7bed507def 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1970,7 +1970,8 @@ public:
UseZeroLengthBitfieldAlignment = true;
/// gcc forces the alignment to 4 bytes, regardless of the type of the
- /// zero length bitfield.
+ /// zero length bitfield. This corresponds to EMPTY_FIELD_BOUNDARY in
+ /// gcc.
ZeroLengthBitfieldBoundary = 32;
if (IsThumb) {