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[Object][MachO] Handle end iterator in getSymbolType()

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Fix a bug in MachOObjectFile::getSymbolType() that it is not checking if
the iterator is end() before deference the iterator. Instead, return
`Other` type, which aligns with the behavior of `llvm-nm`.

rdar://75291638

Reviewed By: davide, ab

Differential Revision: https://reviews.llvm.org/D98739
This commit is contained in:
Steven Wu 2021-03-17 15:05:51 -07:00
parent 6698320324
commit 0d2a8c0614
1 changed files with 2 additions and 0 deletions
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2
lib/Object/MachOObjectFile.cpp
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@ -1836,6 +1836,8 @@ MachOObjectFile::getSymbolType(DataRefImpl Symb) const {
if (!SecOrError)
return SecOrError.takeError();
section_iterator Sec = *SecOrError;
if (Sec == section_end())
return SymbolRef::ST_Other;
if (Sec->isData() || Sec->isBSS())
return SymbolRef::ST_Data;
return SymbolRef::ST_Function;