[PATCH] [UBSan] Allow UBSan location to store frames returned by symbolizer.

[Alexey Samsonov]

================
Comment at: lib/ubsan/ubsan_diag.h:29
@@ -27,1 +28,3 @@
+      Stack->ClearAll();
+  }
 
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filcab wrote:
> Aren't we still leaking the SymbolizedStack object, here? (as well as in the destructor and reset() (which call clear()))
> I guess we're missing a call to InternalFree()
SymbolizedStack::ClearAll() calls InternalFree(this), so it shouldn't be necessary.

http://reviews.llvm.org/D7548

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