[PATCH] D55134: [CTU] Add triple/lang mismatch handling

[Gabor Marton via Phabricator via cfe-commits]

martong created this revision.
martong added reviewers: xazax.hun, a_sidorin.
Herald added subscribers: cfe-commits, gamesh411, Szelethus, dkrupp, rnkovacs.

We introduce a strict policy for C++ CTU. It can work across TUs only if
the C++ dialects are the same. We neither allow C vs C++ CTU.  We do this
because the same constructs might be represented with different properties in
the corresponding AST nodes or even the nodes might be completely different (a
struct will be RecordDecl in C, but it will be a CXXRectordDecl in C++, thus it
may cause certain assertions during cast operations).


Repository:
  rC Clang

https://reviews.llvm.org/D55134

Files:
  include/clang/Basic/DiagnosticCrossTUKinds.td
  include/clang/CrossTU/CrossTranslationUnit.h
  lib/CrossTU/CrossTranslationUnit.cpp

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