[cfe-commits] [PATCH] clang/CodeGen: [PR9593] Rework -fno-use-cxa-atexit not to invoke local dtors unconditionally, but use atexit().

[NAKAMURA Takumi]

-fno-use-cxa-atexit is by default on cygming, due to unavailability of
__cxa_atexit().
---
 lib/CodeGen/CGDeclCXX.cpp                 |   58 +++++++++++++++++++++++++++--
 lib/CodeGen/CodeGenFunction.h             |   14 +++++--
 test/CodeGenCXX/arm.cpp                   |   14 +++++-
 test/CodeGenCXX/global-dtor-no-atexit.cpp |   35 +++++++++++++++--
 4 files changed, 106 insertions(+), 15 deletions(-)
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