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llvm-mc: Error on MCSubtargetInfo construction failure #159226

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Sep 17, 2025
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llvm-mc: Error on MCSubtargetInfo construction failure #159226

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5 changes: 4 additions & 1 deletion llvm/tools/llvm-mc/llvm-mc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -469,7 +469,10 @@ int main(int argc, char **argv) {

std::unique_ptr<MCSubtargetInfo> STI(
TheTarget->createMCSubtargetInfo(TheTriple, MCPU, FeaturesStr));
assert(STI && "Unable to create subtarget info!");
if (!STI) {
WithColor::error(errs(), ProgName) << "unable to create subtarget info\n";
return 1;
}

// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
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