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Reid Kleckner authored
Summary: We don't need a side table in ASTContext to hold CXXDefaultArgExprs. The important part of building the CXXDefaultArgExprs was to ODR use the default argument expressions, not to make AST nodes. Refactor the code to only check the default argument, and remove the side table in ASTContext which wasn't being serialized. Fixes PR31121 Reviewers: thakis, rsmith, majnemer Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D27007 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@287774 91177308-0d34-0410-b5e6-96231b3b80d8
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