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Author SHA1 Message Date
Fangrui Song 83ea47acd7 [test] Make tests pass regardless of gnu++14/gnu++17 default 
GCC from 11 onwards defaults to -std=gnu++17 for C++ source files. We want to do the same
(https://discourse.llvm.org/t/c-objc-switch-to-gnu-17-as-the-default-dialect/64360).
Split RUN lines, adjust `-verify`, or add `__cplusplus < 201703L` or `-Wno-dynamic-exception-spec`,
so that tests will pass regardless of gnu++14/gnu++17 default.

We have a desire to mark a test compatible with multiple language standards.
There are ongoing discussions how to add markers in the long term:

* https://discourse.llvm.org/t/iterating-lit-run-lines/62596
* https://discourse.llvm.org/t/lit-run-a-run-line-multiple-times-with-different-replacements/64932

As a workaround in the short term, add lit substitutions `%std_cxx98-`,
`%std_cxx11-14`, etc. They can be used for tests which work across multiple
language standards. If a range has `n` standards, run lit multiple times, with
`LIT_CLANG_STD_GROUP=0`, `LIT_CLANG_STD_GROUP=1`, etc to cover all `n` standards.

Reviewed By: #clang-language-wg, aaron.ballman

Differential Revision: https://reviews.llvm.org/D131464
 2022-09-04 05:29:32 +00:00
David Blaikie e9644e6f4f DebugInfo: Fix default template parameter computation for dependent non-type template parameters 
This addresses the immediate bug, though in theory we could still
produce a default parameter for the DWARF in this test case - but other
cases will be definitely unachievable (you could have a default
parameter that cannot be evaluated - so long as the user overrode it
with another value rather than relying on that default)
 2020-04-05 16:31:30 -07:00
David Blaikie db92719c1d DebugInfo: Defaulted non-type template parameters of bool type 
Caused an assertion due to mismatched bit widths - this seems like the
right API to use for a possibly width-varying equality test. Though
certainly open to some post-commit review feedback if there's a more
suitable way to do this comparison/test.
 2020-04-01 13:21:13 -07:00
Awanish Pandey 1cb0e01e42 [DebugInfo][DWARF5]: Added support for debuginfo generation for defaulted parameters 
This patch adds support for dwarf emission/dumping part of debuginfo
generation for defaulted parameters.

Reviewers: probinson, aprantl, dblaikie

Reviewed By: aprantl, dblaikie

Differential Revision: https://reviews.llvm.org/D73462
 2020-03-03 13:09:53 +05:30