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Suppress new Clang warnings on memcpy of nontrivially-copyable objects #22798

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merged 3 commits into from
Oct 29, 2024
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Suppress new Clang warnings on memcpy of nontrivially-copyable objects #22798

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11cd3a9
Suppress new Clang warnings about memcpy of nontrivially-copyable obj…
dschuff Oct 29, 2024
026d636
add changelog
dschuff Oct 29, 2024
56baa23
Update ChangeLog.md
dschuff Oct 29, 2024
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4 changes: 4 additions & 0 deletions ChangeLog.md
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Expand Up @@ -20,6 +20,10 @@ See docs/process.md for more on how version tagging works.

3.1.71 (in development)
-----------------------
- LLVM's `-Wnontrivial-memaccess` warning has been updated to also warn about
passing non-trivially-copyable destrination parameter to `memcpy`,
`memset` and similar functions for which it is a documented undefined
behavior (#22798). See https://github.com/llvm/llvm-project/pull/111434

3.1.70 - 10/25/24
-----------------
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3 changes: 2 additions & 1 deletion test/test_core.py
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Expand Up @@ -6795,6 +6795,7 @@ def test_bullet(self, use_cmake):
'-Wno-format',
'-Wno-bitfield-constant-conversion',
'-Wno-int-to-void-pointer-cast',
'-Wno-nontrivial-memaccess',
]

# extra testing for ASSERTIONS == 2
Expand All @@ -6818,7 +6819,7 @@ def test_bullet(self, use_cmake):
@is_slow_test
def test_poppler(self):
# See https://github.com/emscripten-core/emscripten/issues/20757
self.emcc_args.append('-Wno-deprecated-declarations')
self.emcc_args.extend(['-Wno-deprecated-declarations', '-Wno-nontrivial-memaccess'])
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@sbc100 sbc100 Oct 29, 2024

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We tend to just use += rather than extend

poppler = self.get_poppler_library()
shutil.copy(test_file('poppler/paper.pdf'), '.')

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