[PATCH] D99062: [clang][ASTImporter] Import "CapturedVLAType" in FieldDecl.

[Balázs Kéri via Phabricator via cfe-commits]

balazske created this revision.
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Update ASTImporter to import value of FieldDecl::getCapturedVLAType.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99062

Files:
  clang/lib/AST/ASTImporter.cpp
  clang/unittests/AST/ASTImporterTest.cpp


Index: clang/unittests/AST/ASTImporterTest.cpp
===================================================================
--- clang/unittests/AST/ASTImporterTest.cpp
+++ clang/unittests/AST/ASTImporterTest.cpp
@@ -6208,6 +6208,24 @@
   EXPECT_TRUE(To2);
 }
 
+TEST_P(ASTImporterOptionSpecificTestBase, ImportOfCapturedVLAType) {
+  const auto *Code =
+      R"(void declToImport(int N) {
+      int VLA[N];
+      [&VLA] {}; // FieldDecl inside the lambda.
+      })";
+
+  Decl *FromTU = getTuDecl(Code, Lang_CXX14, "input.cpp");
+  auto *FromFD = FirstDeclMatcher<FieldDecl>().match(FromTU, fieldDecl());
+  ASSERT_TRUE(FromFD);
+  ASSERT_TRUE(FromFD->hasCapturedVLAType());
+
+  auto *ToFD = Import(FromFD, Lang_CXX14);
+  EXPECT_TRUE(ToFD);
+  EXPECT_TRUE(ToFD->hasCapturedVLAType());
+  EXPECT_NE(FromFD->getCapturedVLAType(), ToFD->getCapturedVLAType());
+}
+
 INSTANTIATE_TEST_CASE_P(ParameterizedTests, ASTImporterLookupTableTest,
                         DefaultTestValuesForRunOptions, );
 
Index: clang/lib/AST/ASTImporter.cpp
===================================================================
--- clang/lib/AST/ASTImporter.cpp
+++ clang/lib/AST/ASTImporter.cpp
@@ -3631,6 +3631,10 @@
   auto ToInitializer = importChecked(Err, D->getInClassInitializer());
   if (Err)
     return std::move(Err);
+  const Type *ToCapturedVLAType = nullptr;
+  if (Error Err = Importer.importInto(
+          ToCapturedVLAType, cast_or_null<Type>(D->getCapturedVLAType())))
+    return std::move(Err);
 
   FieldDecl *ToField;
   if (GetImportedOrCreateDecl(ToField, D, Importer.getToContext(), DC,
@@ -3644,6 +3648,8 @@
   if (ToInitializer)
     ToField->setInClassInitializer(ToInitializer);
   ToField->setImplicit(D->isImplicit());
+  if (ToCapturedVLAType)
+    ToField->setCapturedVLAType(cast<VariableArrayType>(ToCapturedVLAType));
   LexicalDC->addDeclInternal(ToField);
   return ToField;
 }


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