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Currently ASan instrumentation pass creates a string with global name for each instrumented global (to include global names in the error report). Global name is already mangled at this point, and we may not be able to demangle it at runtime (e.g. there is no __cxa_demangle on Android). Instead, create a string with fully qualified global name in Clang, and pass it to ASan instrumentation pass in llvm.asan.globals metadata. If there is no metadata for some global, ASan will use the original algorithm. This fixes https://code.google.com/p/address-sanitizer/issues/detail?id=264. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212872 91177308-0d34-0410-b5e6-96231b3b80d8
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