Alexey Bataev bef6aa6ea9 Fix for PR30632: Name mangling issue. ...

There was a bug in the implementation of captured statements. If it has
a lambda expression in it and the same lambda expression is used outside
the captured region, clang produced an error:
```
error: definition with same mangled name as another definition
```
Here is an example:
```
struct A {
 template <typename L>
 void g(const L&) { }
};

template<typename T>
void f() {
  {
    A().g([](){});
  }
  A().g([](){});
}

int main() {
  f<void>();
}
```

Error report:
```
main.cpp:3:10: error: definition with same mangled name as another
definition
    void g(const L&) { }
             ^
main.cpp:3:10: note: previous definition is here
```
Patch fixes this bug.

llvm-svn: 284229

2016-10-14 12:43:59 +00:00

260 KiB

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