================
@@ -1834,6 +1834,14 @@ bool CompilerInvocation::ParseCodeGenArgs(CodeGenOptions
&Opts, ArgList &Args,
Opts.setInlining(CodeGenOptions::NormalInlining);
}
+ // If we have specified -Og and have not explicitly set
-fno-extend-lifetimes,
+ // then default to -fextend-lifetimes.
+ if (Arg *A = Args.getLastArg(options::OPT_O_Group);
+ A && A->containsValue("g")) {
----------------
SLTozer wrote:
I've moved this behaviour to the driver now. Also regarding the first request
to use `A->getValue() == "g"` - if just `-O` is passed then `A->getValue()`
will crash, as there are no values. An alternative would be to change the check
to `A->getNumValues() && A->getValue() == "g"`, but I think `containsValue` is
more concise.
https://github.com/llvm/llvm-project/pull/118026
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