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[lldb] Fix TestClangASTContext.TestFunctionTemplateInRecordConstructi… #746

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…on in Debug builds

Summary:
In Debug builds we call VerifyDecl in ClangASTContext::CreateFunctionDeclaration which in turn
calls getAccess on the created FunctionDecl. As we passed in a RecordDecl as the DeclContext
for the FunctionDecl, we end up hitting the assert in getAccess that checks that we never have
a Decl inside a Record without a valid AccessSpecifier. FunctionDecls are never in RecordDecls
(that would be a CXXMethodDecl) so setting a access specifier would not be the correct way to
fix this.

Instead this patch does the same thing that DWARFASTParserClang::ParseSubroutine is doing:
We pass in the FunctionDecl with the TranslationUnit as the DeclContext. That's not ideal but
it is how we currently do it when creating our debug info AST, so the unit test should do
the same.

Reviewers: shafik

Reviewed By: shafik

Subscribers: aprantl, JDevlieghere, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D72359

…on in Debug builds

Summary:
In Debug builds we call VerifyDecl in ClangASTContext::CreateFunctionDeclaration which in turn
calls `getAccess` on the created FunctionDecl. As we passed in a RecordDecl as the DeclContext
for the FunctionDecl, we end up hitting the assert in `getAccess` that checks that we never have
a Decl inside a Record without a valid AccessSpecifier. FunctionDecls are never in RecordDecls
(that would be a CXXMethodDecl) so setting a access specifier would not be the correct way to
fix this.

Instead this patch does the same thing that DWARFASTParserClang::ParseSubroutine is doing:
We pass in the FunctionDecl with the TranslationUnit as the DeclContext. That's not ideal but
it is how we currently do it when creating our debug info AST, so the unit test should do
the same.

Reviewers: shafik

Reviewed By: shafik

Subscribers: aprantl, JDevlieghere, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D72359
@Teemperor
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@swift-ci test macOS

@Teemperor Teemperor merged commit 22687c1 into swiftlang:apple/stable/20200108 Feb 7, 2020
@Teemperor Teemperor deleted the FixDebugBuildTestFunctionTemplate branch February 7, 2020 10:21
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