================
@@ -203,6 +203,14 @@ void Flang::addCodegenOptions(const ArgList &Args,
!stackArrays->getOption().matches(options::OPT_fno_stack_arrays))
CmdArgs.push_back("-fstack-arrays");
+ // -fno-protect-parens is the default for -Ofast.
+ if (Args.hasFlag(options::OPT_fprotect_parens,
+ options::OPT_fno_protect_parens,
+ /*Default=*/!Args.hasArg(options::OPT_Ofast)))
+ CmdArgs.push_back("-fprotect-parens");
+ else
----------------
alexey-bataev wrote:
Do we really need -fprotect-parens for the frontend? IIRC, the logic must be
that it is enabled by default and only can be disabled
https://github.com/llvm/llvm-project/pull/170505
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