[lld] r257661 - Attempt to make FreeBSD buildbot green.

[Rui Ueyama via llvm-commits]

Author: ruiu
Date: Wed Jan 13 13:40:13 2016
New Revision: 257661

URL: http://llvm.org/viewvc/llvm-project?rev=257661&view=rev
Log:
Attempt to make FreeBSD buildbot green.

It seems that __cxa_demangle function on the buildbot tried to demangle
a variable "tlsvar" as a C++ symbol. Do not call that function unless
it does not start with "_Z" which is the prefix of mangled names.

Modified:
    lld/trunk/ELF/Symbols.cpp

Modified: lld/trunk/ELF/Symbols.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Symbols.cpp?rev=257661&r1=257660&r2=257661&view=diff
==============================================================================
--- lld/trunk/ELF/Symbols.cpp (original)
+++ lld/trunk/ELF/Symbols.cpp Wed Jan 13 13:40:13 2016
@@ -145,6 +145,11 @@ std::string elf2::demangle(StringRef Nam
 #else
   if (!Config->Demangle)
     return Name;
+
+  // Return if it does not look like a C++ symbol.
+  if (!Name.startswith("_Z"))
+    return Name;
+
   char *Buf =
       abi::__cxa_demangle(Name.str().c_str(), nullptr, nullptr, nullptr);
   if (!Buf)