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				@@ -24,6 +24,7 @@ macro (CHECK_COMPILER_FLAG_COMMON_PATTERNS _VAR) 
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				      FAIL_REGEX "[Uu]nrecogni[sz]ed .*option"               # GNU, NAG 
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				      FAIL_REGEX "unknown .*option"                          # Clang 
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				      FAIL_REGEX "optimization flag .* not supported"        # Clang 
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				+     FAIL_REGEX "unknown argument ignored"                  # Clang (cl) 
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				      FAIL_REGEX "ignoring unknown option"                   # MSVC, Intel 
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				      FAIL_REGEX "warning D9002"                             # MSVC, any lang 
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				      FAIL_REGEX "option.*not supported"                     # Intel 
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