Closed
Bug 1711834
Opened 3 years ago
Closed 3 years ago
[gcc 11] error: 'void* __builtin_memcpy(void*, const void*, long unsigned int)' accessing 64 bytes at offsets 0 and 0 overlaps 64 bytes at offset 0 [-Werror=restrict]
Categories
(Core :: Graphics, defect)
Core
Graphics
Tracking
()
RESOLVED
FIXED
90 Branch
Tracking | Status | |
---|---|---|
firefox90 | --- | fixed |
People
(Reporter: glandium, Assigned: glandium)
References
Details
Attachments
(1 file)
[task 2021-05-19T04:08:10.409Z] 04:08:10 INFO - In file included from /builds/worker/fetches/sysroot/usr/include/string.h:640,
[task 2021-05-19T04:08:10.414Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/system_wrappers/string.h:3,
[task 2021-05-19T04:08:10.414Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/include/mozilla/throw_gcc.h:14,
[task 2021-05-19T04:08:10.414Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/stl_wrappers/type_traits:80,
[task 2021-05-19T04:08:10.414Z] 04:08:10 INFO - from /builds/worker/fetches/gcc/include/c++/11.1.0/bits/move.h:57,
[task 2021-05-19T04:08:10.414Z] 04:08:10 INFO - from /builds/worker/fetches/gcc/include/c++/11.1.0/bits/stl_pair.h:59,
[task 2021-05-19T04:08:10.414Z] 04:08:10 INFO - from /builds/worker/fetches/gcc/include/c++/11.1.0/utility:70,
[task 2021-05-19T04:08:10.414Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/system_wrappers/utility:3,
[task 2021-05-19T04:08:10.415Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/stl_wrappers/utility:60,
[task 2021-05-19T04:08:10.415Z] 04:08:10 INFO - from /builds/worker/fetches/gcc/include/c++/11.1.0/algorithm:60,
[task 2021-05-19T04:08:10.415Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/system_wrappers/algorithm:3,
[task 2021-05-19T04:08:10.415Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/stl_wrappers/algorithm:60,
[task 2021-05-19T04:08:10.415Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/include/mozilla/FontPropertyTypes.h:11,
[task 2021-05-19T04:08:10.416Z] 04:08:10 INFO - from /builds/worker/workspace/obj-build/dist/include/gfxPlatform.h:9,
[task 2021-05-19T04:08:10.416Z] 04:08:10 INFO - from /builds/worker/checkouts/gecko/gfx/layers/client/TextureClientRecycleAllocator.cpp:7,
[task 2021-05-19T04:08:10.416Z] 04:08:10 INFO - from Unified_cpp_gfx_layers7.cpp:2:
[task 2021-05-19T04:08:10.416Z] 04:08:10 INFO - In function 'void* memcpy(void*, const void*, size_t)',
[task 2021-05-19T04:08:10.416Z] 04:08:10 INFO - inlined from 'mozilla::gfx::Matrix4x4Typed<SourceUnits, TargetUnits, T>& mozilla::gfx::Matrix4x4Typed<SourceUnits, TargetUnits, T>::operator=(const mozilla::gfx::Matrix4x4Typed<SourceUnits, TargetUnits, T>&) [with SourceUnits = mozilla::gfx::UnknownUnits; TargetUnits = mozilla::gfx::UnknownUnits; T = float]' at /builds/worker/workspace/obj-build/dist/include/mozilla/gfx/Matrix.h:1162:11,
[task 2021-05-19T04:08:10.416Z] 04:08:10 INFO - inlined from 'void mozilla::layers::TransformLayerGeometry(mozilla::layers::Layer*, mozilla::Maybe<mozilla::gfx::PolygonTyped<mozilla::gfx::UnknownUnits> >&)' at /builds/worker/checkouts/gecko/gfx/layers/composite/ContainerLayerComposite.cpp:171:37:
[task 2021-05-19T04:08:10.416Z] 04:08:10 ERROR - /builds/worker/fetches/sysroot/usr/include/x86_64-linux-gnu/bits/string3.h:51:33: error: 'void* __builtin_memcpy(void*, const void*, long unsigned int)' accessing 64 bytes at offsets 0 and 0 overlaps 64 bytes at offset 0 [-Werror=restrict]
[task 2021-05-19T04:08:10.416Z] 04:08:10 INFO - 51 | return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
[task 2021-05-19T04:08:10.417Z] 04:08:10 INFO - | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Assignee | ||
Updated•3 years ago
|
Blocks: build-gcc-11
Assignee | ||
Updated•3 years ago
|
Summary: error: 'void* __builtin_memcpy(void*, const void*, long unsigned int)' accessing 64 bytes at offsets 0 and 0 overlaps 64 bytes at offset 0 [-Werror=restrict] → [gcc 11] error: 'void* __builtin_memcpy(void*, const void*, long unsigned int)' accessing 64 bytes at offsets 0 and 0 overlaps 64 bytes at offset 0 [-Werror=restrict]
Assignee | ||
Comment 1•3 years ago
|
||
This avoids GCC complaining about the case where doing m = m
would
memcpy from an address onto itself.
Pushed by mh@glandium.org: https://hg.mozilla.org/integration/autoland/rev/ce23a68098f1 Let the compiler generate the Matrix4x4Typed copy assignment operator. r=mattwoodrow
Comment 3•3 years ago
|
||
bugherder |
Status: NEW → RESOLVED
Closed: 3 years ago
status-firefox90:
--- → fixed
Resolution: --- → FIXED
Target Milestone: --- → 90 Branch
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Description
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