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[asan] Disable CreateSigAltStack from Unix/Signals.inc for asan builds

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Summary: Asan fails to UnsetAlternateSignalStack if it set by Unix/Signals.inc

Reviewers: kcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D23864

llvm-svn: 279717
This commit is contained in:
Vitaly Buka 2016-08-25 03:32:49 +00:00
parent 499f035638
commit 84f8ed03ef
1 changed files with 2 additions and 1 deletions
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3
cmake/config-ix.cmake
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@ -170,7 +170,8 @@ if( HAVE_SETJMP_H )
check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP)
check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP)
endif()
if( HAVE_SIGNAL_H )
// AddressSanitizer conflicts with lib/Support/Unix/Signals.inc
if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*")
check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK)
endif()
if( HAVE_SYS_UIO_H )