David Majnemer 7c23707174 MS ABI: Implement support for throwing a C++ exception ... Throwing a C++ exception, under the MS ABI, is implemented using three components: - ThrowInfo structure which contains information like CV qualifiers, what destructor to call and a pointer to the CatchableTypeArray. - In a significant departure from the Itanium ABI, copying by-value occurs in the runtime and not at the catch site. This means we need to enumerate all possible types that this exception could be caught as and encode the necessary information to convert from the exception object's type to the catch handler's type. This includes complicated derived to base conversions and the execution of copy-constructors. N.B. This implementation doesn't support the execution of a copy-constructor from within the runtime for now. Adding support for that functionality is quite difficult due to things like default argument expressions which may evaluate arbitrary code hiding in the copy-constructor's parameters. Differential Revision: http://reviews.llvm.org/D8066 llvm-svn: 231328		2015-03-05 00:46:22 +00:00
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clang	MS ABI: Implement support for throwing a C++ exception	2015-03-05 00:46:22 +00:00
clang-c	This reverts commit r227432, r227438 and r227448.	2015-01-29 17:22:53 +00:00
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