================
@@ -3191,6 +3191,22 @@ static bool ParseHeaderSearchArgs(HeaderSearchOptions
&Opts, ArgList &Args,
bool IsIndexHeaderMap = false;
bool IsSysrootSpecified =
Args.hasArg(OPT__sysroot_EQ) || Args.hasArg(OPT_isysroot);
+
+ // Expand a leading `=` to the sysroot if one was passed (and it's not a
+ // framework flag).
+ auto PrefixHeaderPath = [IsSysrootSpecified,
+ &Opts](const llvm::opt::Arg *A,
+ bool IsFramework = false) -> std::string {
+ assert(A->getNumValues() != 0 && "Unexpected empty search path flag!");
----------------
compnerd wrote:
I'd likely drop the `!= 0`.
https://github.com/llvm/llvm-project/pull/82084
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