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[libcxxabi] Don't process exceptions in cxa_handlers when they're disabled

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[libcxxabi] Don't process exceptions in cxa_handlers when they're disabled

When exceptions are disabled, avoid their processing altogether.
This avoids pulling in the depenency on demangler significantly
reducing binary size when statically linking against libc++abi
built without exception support.

Differential Revision: https://reviews.llvm.org/D64191

Details

Committed
phosekJul 12 2019, 12:10 PM
Differential Revision
D64191: [libcxxabi] Don't process exceptions in cxa_handlers when they're disabled
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