* [COMPILER_APITEST] Import MS EH/SEH tests
Taken from https://github.com/microsoft/compiler-tests
* [CRT] Add missing declaration of _longjmpex
* [COMPILER_APITEST] Add cmake build files for MS SEH test
It is built as a static library
* [COMPILER_APITEST] Fix GCC build of MS SEH tests
There are a number of hacks in there now. Also the volatile hacks should be separated and sent upstream.
* [COMPILER_APITEST] Fix x64 build of MS SEH tests
* [COMPILER_APITEST] Fix clang build of MS SEH tests
* [COMPILER_APITEST] Include MS SEH tests