llvm-project/clang/include
Richard Smith 77e9e84a8e Don't mark a member as a member specialization until we know we're keeping the specialization.
This improves our behavior in a few ways:

 * We now guarantee that if a member is marked as being a member
   specialization, there will actually be a member specialization declaration
   somewhere on its redeclaration chain. This fixes a crash in modules builds
   where we would try to check that there was a visible declaration of the
   member specialization and be surprised to not find any declaration of it at
   all.

 * We don't set the source location of the in-class declaration of the member
   specialization to the out-of-line declaration's location until we have
   actually finished merging them. This fixes some very silly looking
   diagnostics, where we'd point a "previous declaration is here" note at the
   same declaration we're complaining about. Ideally we wouldn't mess with the
   prior declaration's location at all, but too much code assumes that the
   first declaration of an entity is a reasonable thing to use as an indication
   of where it was declared, and that's not really true for a member
   specialization unless we fake it like this.

llvm-svn: 302596
2017-05-09 23:02:10 +00:00
..
clang Don't mark a member as a member specialization until we know we're keeping the specialization. 2017-05-09 23:02:10 +00:00
clang-c [libclang] Expose some target information via the C API. 2017-04-28 15:56:39 +00:00
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