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Blame SOURCES/0656-util-lib-introduce-HAS_FEATURE_ADDRESS_SANITIZER.patch

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From 39b10c9e7e4ad80adc0e8c43f7d1917edee515dd Mon Sep 17 00:00:00 2001
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From: Evgeny Vereshchagin <evvers@ya.ru>
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Date: Sun, 2 Dec 2018 08:28:24 +0100
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Subject: [PATCH] util-lib: introduce HAS_FEATURE_ADDRESS_SANITIZER
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https://clang.llvm.org/docs/AddressSanitizer.html#conditional-compilation-with-has-feature-address-sanitizer
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(cherry picked from commit 289acab951c5937fdf6d3a2666f411fd66dd20e5)
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Related: #2017033
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---
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 src/basic/macro.h | 11 +++++++++++
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 1 file changed, 11 insertions(+)
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diff --git a/src/basic/macro.h b/src/basic/macro.h
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index 0fe6a62aa8..62f2359633 100644
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--- a/src/basic/macro.h
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+++ b/src/basic/macro.h
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@@ -55,6 +55,17 @@
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 #  endif
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 #endif
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+#if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
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+#  if defined(__has_feature)
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+#    if __has_feature(address_sanitizer)
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+#      define HAS_FEATURE_ADDRESS_SANITIZER 1
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+#    endif
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+#  endif
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+#  if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
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+#    define HAS_FEATURE_ADDRESS_SANITIZER 0
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+#  endif
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+#endif
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+
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 /* Temporarily disable some warnings */
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 #define DISABLE_WARNING_DECLARATION_AFTER_STATEMENT                     \
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         _Pragma("GCC diagnostic push");                                 \