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-rw-r--r--clang/lib/AST/RecordLayoutBuilder.cpp5
-rw-r--r--clang/test/Layout/ms-x86-basic-layout.cpp19
2 files changed, 21 insertions, 3 deletions
diff --git a/clang/lib/AST/RecordLayoutBuilder.cpp b/clang/lib/AST/RecordLayoutBuilder.cpp
index a038e2dc6a5..731f197fe08 100644
--- a/clang/lib/AST/RecordLayoutBuilder.cpp
+++ b/clang/lib/AST/RecordLayoutBuilder.cpp
@@ -2271,8 +2271,9 @@ MicrosoftRecordLayoutBuilder::getAdjustedElementInfo(
// Get the element info for a layout, respecting pack.
Info = getAdjustedElementInfo(Layout, false);
// If the field is an array type, scale it's size properly.
- if (const ConstantArrayType *CAT =
- dyn_cast<ConstantArrayType>(FD->getType()))
+ for (const ConstantArrayType *CAT =
+ dyn_cast<ConstantArrayType>(FD->getType()); CAT;
+ CAT = dyn_cast<ConstantArrayType>(CAT->getElementType()))
Info.Size = Info.Size * (int64_t)CAT->getSize().getZExtValue();
// Capture required alignment as a side-effect.
RequiredAlignment = std::max(RequiredAlignment,
diff --git a/clang/test/Layout/ms-x86-basic-layout.cpp b/clang/test/Layout/ms-x86-basic-layout.cpp
index f4fd34a2658..c522de84b28 100644
--- a/clang/test/Layout/ms-x86-basic-layout.cpp
+++ b/clang/test/Layout/ms-x86-basic-layout.cpp
@@ -785,6 +785,21 @@ struct ArrayFieldOfRecords {
// CHECK-X64-NEXT: | [sizeof=8, align=4
// CHECK-X64-NEXT: | nvsize=8, nvalign=4]
+struct ArrayOfArrayFieldOfRecords {
+ A4 InlineElts[2][2];
+};
+
+// CHECK: *** Dumping AST Record Layout
+// CHECK-NEXT: 0 | struct ArrayOfArrayFieldOfRecords
+// CHECK-NEXT: 0 | struct A4 [2][2] InlineElts
+// CHECK-NEXT: | [sizeof=16, align=4
+// CHECK-NEXT: | nvsize=16, nvalign=4]
+// CHECK-X64: *** Dumping AST Record Layout
+// CHECK-X64-NEXT: 0 | struct ArrayOfArrayFieldOfRecords
+// CHECK-X64-NEXT: 0 | struct A4 [2][2] InlineElts
+// CHECK-X64-NEXT: | [sizeof=16, align=4
+// CHECK-X64-NEXT: | nvsize=16, nvalign=4]
+
int a[
sizeof(TestF0)+
sizeof(TestF1)+
@@ -806,4 +821,6 @@ sizeof(F3)+
sizeof(F4)+
sizeof(F5)+
sizeof(F6)+
-sizeof(ArrayFieldOfRecords)];
+sizeof(ArrayFieldOfRecords)+
+sizeof(ArrayOfArrayFieldOfRecords)+
+0];
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