[llvm-bugs] [Bug 33923] getGlobalID() always returns 0
via llvm-bugs
llvm-bugs at lists.llvm.org
Tue Sep 12 12:23:00 PDT 2017
https://bugs.llvm.org/show_bug.cgi?id=33923
Michael Haidl <michael.haidl at uni-muenster.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |INVALID
CC| |michael.haidl at uni-muenster.
| |de
Status|NEW |RESOLVED
--- Comment #1 from Michael Haidl <michael.haidl at uni-muenster.de> ---
683 /// \brief Retrieve the global declaration ID associated with this
684 /// declaration, which specifies where this Decl was loaded from.
685 unsigned getGlobalID() const {
686 if (isFromASTFile())
687 return *((const unsigned*)this - 1);
688 return 0;
689 }
getGlobalID is not intend to be used with a generated AST. To identify a Decl
uniquely use the address of the Decl, which is the hex value in the AST dump.
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