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[CodeGen] Fix regression from D83655

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Arm EHABI has a null LSDASection as it does its own thing, so we should
continue to return null in that case rather than try and cast it.
This commit is contained in:
Jessica Clarke 2020-11-03 03:57:46 +00:00
parent 7b1a5513ca
commit d022c319e8
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -837,7 +837,8 @@ MCSection *
TargetLoweringObjectFileELF::getSectionForLSDA(const Function &F,
const TargetMachine &TM) const {
// If neither COMDAT nor function sections, use the monolithic LSDA section.
if (!F.hasComdat() && !TM.getFunctionSections())
// Re-use this path if LSDASection is null as in the Arm EHABI.
if (!LSDASection || (!F.hasComdat() && !TM.getFunctionSections()))
return LSDASection;
const auto *LSDA = cast<MCSectionELF>(LSDASection);