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cmake: Only sanitize use-after-scope if the host compiler supports it
In r292256, we started adding -fsanitize-use-after-scope when using the address sanitizer, but that flag wasn't always available. This fixes the config to only add the flag if the host compiler supports it. llvm-svn: 292423
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@ -589,7 +589,8 @@ if(LLVM_USE_SANITIZER)
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message(FATAL_ERROR "LLVM_USE_SANITIZER is not supported on this platform.")
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endif()
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if (LLVM_USE_SANITIZER MATCHES "(Undefined;)?Address(;Undefined)?")
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append("-fsanitize-address-use-after-scope" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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add_flag_if_supported("-fsanitize-address-use-after-scope"
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FSANITIZE_USE_AFTER_SCOPE_FLAG)
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endif()
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if (LLVM_USE_SANITIZE_COVERAGE)
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append("-fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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