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[CodeGen] When Promoting, don't extend the 2nd FCOPYSIGN operand.
[oota-llvm.git]
/
autoconf
/
m4
/
cxx_flag_check.m4
1
AC_DEFUN([CXX_FLAG_CHECK],
2
[AC_SUBST($1, `$CXX -Werror patsubst($2, [^-Wno-], [-W]) -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)])