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Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

  1. [WebAssembly] Handle exception specifications (details)
  2. Revert "[WebAssembly] Handle exception specifications" (details)
Commit bca347508c86647f9d44992275c9a364fbd9fb0d by aheejin
[WebAssembly] Handle exception specifications

Summary:
Wasm currently does not fully handle exception specifications. Rather
than crashing, this treats `throw()` in the same way as `noexcept`, and
ignores and prints a warning for `throw(type, ..)`, for a temporary
measure.

Reviewers: dschuff

Subscribers: sbc100, jgravelle-google, sunfish, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D79655
The file was modifiedclang/test/CodeGenCXX/wasm-eh.cpp
The file was modifiedclang/lib/CodeGen/CGException.cpp
The file was modifiedclang/include/clang/Basic/DiagnosticSemaKinds.td
Commit 945ad141ce63c94b5822d52ad76c49aba906a4b8 by aheejin
Revert "[WebAssembly] Handle exception specifications"

This reverts commit bca347508c86647f9d44992275c9a364fbd9fb0d.

This broke clang/test/Misc/warning-flags.c, because the newly added
warning option in this commit didn't have a matching flag.
The file was modifiedclang/lib/CodeGen/CGException.cpp
The file was modifiedclang/test/CodeGenCXX/wasm-eh.cpp
The file was modifiedclang/include/clang/Basic/DiagnosticSemaKinds.td