Evgeniy Stepanov 1a8030e737 [cfi] Emit __cfi_check stub in the frontend. ...

Previously __cfi_check was created in LTO optimization pipeline, which
means LLD has no way of knowing about the existence of this symbol
without rescanning the LTO output object. As a result, LLD fails to
export __cfi_check, even when given --export-dynamic-symbol flag.

llvm-svn: 299806

2017-04-07 23:00:38 +00:00

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