[PATCH] D47853: [Frontend] Disallow non-MSVC exception models for windows-msvc targets

[Shoaib Meenai via Phabricator via cfe-commits]

smeenai created this revision.
smeenai added reviewers: compnerd, mstorsjo, rnk.

The windows-msvc target is used for MSVC ABI compatibility, including
the exceptions model. It doesn't make sense to pair a windows-msvc
target with a non-MSVC exception model. This would previously cause an
assertion failure; explicitly error out for it in the frontend instead.
This also allows us to reduce the matrix of target/exception models a
bit (see the modified tests), and we can possibly simplify some of the
personality code in a follow-up.


Repository:
  rC Clang

https://reviews.llvm.org/D47853

Files:
  include/clang/Basic/DiagnosticFrontendKinds.td
  lib/Frontend/CompilerInvocation.cpp
  test/CodeGen/personality.c
  test/CodeGenCXX/ms-eh-personality.cpp
  test/CodeGenCXX/personality.cpp
  test/CodeGenObjC/personality.m
  test/CodeGenObjCXX/personality.mm
  test/Frontend/windows-exceptions.cpp

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