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Eric Fiselier 457d2c157b Fix most GCC test failures. This patch fixes almost all currently failing tests when using GCC ToT. The specific changes are: (A) Workaround gcc.gnu.org/PR83921 which rejects variables w/o initializers in constexpr contexts -- even when the variable is an empty class. This bug has been worked around at all callsites by adding an initializer. Additionally a new test, constexpr_init.pass.cpp, has been added to test that Clang doesn't suffer from these bugs. (B) Fix streambuf.assign/swap.pass.cpp. This test was never actually calling the swap method as intended. In fact, the swap function it intended to call was ill-formed when instantiated. GCC diagnosed this ill-formedness w/o needing an instantiation. (C) size_delete11.pass.cpp was fixed by adding c++2a to the list of unsupported dialects. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@322810 91177308-0d34-0410-b5e6-96231b3b80d8	7 years ago
..
assign.pass.cpp	[libcxx] Add appropriate 'REQUIRE' directives to tests that require en_US.UTF-8.	9 years ago
swap.pass.cpp	Fix most GCC test failures.	7 years ago

Eric Fiselier 457d2c157b Fix most GCC test failures.

This patch fixes almost all currently failing tests when
using GCC ToT.

The specific changes are:

(A) Workaround gcc.gnu.org/PR83921 which rejects variables w/o initializers
in constexpr contexts -- even when the variable is an empty class. This
bug has been worked around at all callsites by adding an initializer.
Additionally a new test, constexpr_init.pass.cpp, has been added to
test that Clang doesn't suffer from these bugs.

(B) Fix streambuf.assign/swap.pass.cpp. This test was never actually
calling the swap method as intended. In fact, the swap function it
intended to call was ill-formed when instantiated. GCC diagnosed
this ill-formedness w/o needing an instantiation.

(C) size_delete11.pass.cpp was fixed by adding c++2a to the list of
unsupported dialects.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@322810 91177308-0d34-0410-b5e6-96231b3b80d8

assign.pass.cpp

[libcxx] Add appropriate 'REQUIRE' directives to tests that require en_US.UTF-8.

swap.pass.cpp

Fix most GCC test failures.