================
@@ -1465,6 +1465,101 @@ bool
DisassemblerLLVMC::MCDisasmInstance::IsAuthenticated(
return InstrDesc.isAuthenticated() || IsBrkC47x;
}
+static void
+UpdateSubtargetFeatures(const llvm::SubtargetFeatures &subtarget_features,
+ std::string &user_feature_overrides) {
+
+ // Extract the default features string from the SubtargetFeatures object.
+ // We must store this in a std::string variable to ensure the memory exists
+ // for the StringRef to point to during the execution of this function.
+ std::string default_features_storage = subtarget_features.getString();
+ llvm::StringRef default_features = default_features_storage;
+
+ // If the user has not provided any overrides AND defaults exist,
+ // then simply use the default feature string.
+ if (user_feature_overrides.empty() && !default_features.empty()) {
+ user_feature_overrides = default_features.str();
----------------
lenary wrote:
This looks like a lifetime error to me, but maybe I'm wrong? Not sure.
https://github.com/llvm/llvm-project/pull/147990
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