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777634b1eb
__has_feature() is a Clang-ism not implemented by GCC.
base/compiler_specific.h provides a HAS_FEATURE() macro that always
returns 0 when __has_feature() is not implemented. Use this macro for
compatibility with GCC and other compilers that do not implement this
Clang extension.
http://clang.llvm.org/docs/LanguageExtensions.html#has-feature-and-has-extension
For GCC’s Address Sanitizer implementation, test the
__SANITIZE_ADDRESS__ macro that it provides as an alternative to
__has_feature(address_sanitizer).
Note that in Chrome builds, ADDRESS_SANITIZER is pushed in by the build
system. The definition of ADDRESS_SANITIZER provides another way for
that macro to be set. It’s supplementary, not exclusive.
cb33b24372/build/config/BUILD.gn (118)
BUG=crashpad:30
Change-Id: I5c3145d29bbc966925369c03a37b1ecb5622a004
Reviewed-on: https://chromium-review.googlesource.com/413109
Reviewed-by: Robert Sesek <rsesek@chromium.org>