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Re-commit r231545: PECOFF: Do not add extraneous symbols to the dead strip root 

That commit was reverted in r231582 as it was a culprit for
buildbot breakage. Turned out it's not.

llvm-svn: 231610
This commit is contained in:
Rui Ueyama 2015-03-08 21:31:36 +00:00
parent 6d7cb4668f
commit 04597ac258
1 changed files with 3 additions and 5 deletions
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8
lld/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp
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@ -375,8 +375,10 @@ void FileCOFF::beforeLink() {
// Add /INCLUDE'ed symbols to the file as if they existed in the
// file as undefined symbols.
for (StringRef sym : undefSyms)
for (StringRef sym : undefSyms) {
addUndefinedSymbol(sym);
_ctx.addDeadStripRoot(sym);
}
// One can define alias symbols using /alternatename:<sym>=<sym> option.
// The mapping for /alternatename is in the context object. This helper
@ -387,10 +389,6 @@ void FileCOFF::beforeLink() {
// SEH. Disable SEH if the file being read is not compatible.
if (!isCompatibleWithSEH())
_ctx.setSafeSEH(false);
if (_ctx.deadStrip())
for (const UndefinedAtom *undef : undefined())
_ctx.addDeadStripRoot(undef->name());
}
/// Iterate over the symbol table to retrieve all symbols.