Commit Graph

8 Commits

Author SHA1 Message Date
Richard Smith bb750689d5 C++ DR2387: a variable template declared wtih (or instantiated with) a
const-qualified type is not implicitly given internal linkage. But a
variable template declared 'static' is.

This reinstates part of r359048, reverted in r359076.

llvm-svn: 359260
2019-04-26 01:51:08 +00:00
Ilya Biryukov b8292c955c Revert r359048: C++ DR2387: a variable template declared wthi
The change breaks libc++ with the follwing error:

In file included from valarray:4:
.../include/c++/v1/valarray:1062:60: error: explicit instantiation declaration of 'valarray<_Tp>' with internal linkage
_LIBCPP_EXTERN_TEMPLATE(_LIBCPP_FUNC_VIS valarray<size_t>::valarray(size_t))
                                                           ^
.../include/c++/v1/valarray:1063:60: error: explicit instantiation declaration of '~valarray<_Tp>' with internal linkage
_LIBCPP_EXTERN_TEMPLATE(_LIBCPP_FUNC_VIS valarray<size_t>::~valarray())

llvm-svn: 359076
2019-04-24 08:50:24 +00:00
Richard Smith 3ac3e9ce04 Add missing diagnostic for anonymous struct/union definitions that don't
introduce any names.

llvm-svn: 359051
2019-04-24 00:08:02 +00:00
Richard Smith eeab4518e1 C++ DR2387: a variable template declared wtih (or instantiated with) a
const-qualified type is not implicitly given internal linkage. But a
variable template declared 'static' is.

llvm-svn: 359048
2019-04-23 23:48:00 +00:00
Richard Smith e181de7f4f [c++2a] Implement semantic restrictions for 'export' declarations.
llvm-svn: 358932
2019-04-22 22:50:11 +00:00
Richard Smith a5bbbfef15 [c++2a] Add semantic support for private module fragments.
llvm-svn: 358713
2019-04-18 21:12:54 +00:00
Richard Smith b1b580e047 [c++20] Enable driver and frontend support for building and using
modules when -std=c++2a is specified.

llvm-svn: 358355
2019-04-14 11:11:37 +00:00
Richard Smith d652bdd05f [c++20] Parsing support for module-declarations, import-declarations,
and the global and private module fragment.

For now, the private module fragment introducer is ignored, but use of
the global module fragment introducer should be properly enforced.

llvm-svn: 358353
2019-04-14 08:06:59 +00:00