[PATCH] D24229: [ELF] - Versionscript: do not treat non-wildcarded names as wildcards.

[George Rimar via llvm-commits]

grimar created this revision.
grimar added reviewers: ruiu, rafael.
grimar added subscribers: grimar, evgeny777, llvm-commits, emaste.

Previously we incorrectly handled cases when symbol name in extern c++ tag
was enclosed in quotes. Next case was treated as wildcard:

```
GLIBCXX_3.4 {                                                                   
    extern "C++" {  
    "aaa*"
   }
```

But it should have not. Quotes around aaa here means that we should have do exact
name matching.
That is PR30268 which has name with pointer is interpreted as wildcard by lld:

```
    extern "C++" {                                                              
        "operator delete[](void*)"; 
```

https://reviews.llvm.org/D24229

Files:
  ELF/Config.h
  ELF/LinkerScript.cpp
  ELF/ScriptParser.cpp
  ELF/SymbolTable.cpp
  test/ELF/version-script-extern-exact.s

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