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[libc++][test] Removes old fallbacks.

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All supported compilers support the -std=year except Clang < 17 which
doesn't support C++23. This fallback is marked for removal once we no
longer support Clang 16.

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D152106
This commit is contained in:
Mark de Wever 2023-06-04 19:12:42 +02:00
parent 09addf9cbe
commit 202054559c
1 changed files with 4 additions and 7 deletions
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11
libcxx/utils/libcxx/test/params.py
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@ -57,18 +57,15 @@ _allStandards = ["c++03", "c++11", "c++14", "c++17", "c++20", "c++23", "c++26"]
def getStdFlag(cfg, std):
fallbacks = {
"c++11": "c++0x",
"c++14": "c++1y",
"c++17": "c++1z",
"c++20": "c++2a",
"c++23": "c++2b",
}
# TODO(LLVM-17) Remove this clang-tidy-16 work-around
if std == "c++23":
std = "c++2b"
if hasCompileFlag(cfg, "-std=" + std):
return "-std=" + std
# TODO(LLVM-19) Remove the fallbacks needed for Clang 16.
fallbacks = {
"c++23": "c++2b",
}
if std in fallbacks and hasCompileFlag(cfg, "-std=" + fallbacks[std]):
return "-std=" + fallbacks[std]
return None