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The reason this got reverted was that the @feat.00 symbol which was emitted for every TU became quoted, and on cygwin/mingw we use the gas assembler which couldn't handle the quotes. This commit fixes the problem by only emitting @feat.00 for win32, where we use clang -cc1as to assemble. gas would just drop this symbol anyway, so there is no loss there. With @feat.00 gone, there shouldn't be quoted symbols showing up on cygwin since it uses the Itanium ABI, which doesn't put these funny characters in symbols. > Because of win32 mangling, we produce symbol and section names with > funny characters in them, most notably @ characters. > > MC would choke on trying to parse its own assembly output. This patch addresses > that by: > > - Making @ trigger quoting of symbol names > - Also quote section names in the same way > - Just parse section names like other identifiers (to allow for quotes) > - Don't assume @ signifies a symbol variant if it is in a string. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192859 91177308-0d34-0410-b5e6-96231b3b80d8
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