https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103044
Bug ID: 103044
Summary: d: Use __builtin_clear_padding for zeroing objects
before set.
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: d
Assignee: ibuclaw at gdcproject dot org
Reporter: ibuclaw at gdcproject dot org
Target Milestone: ---
D language spec says that all alignment holes must be zero all of the time, and
currently a mixed use of __builtin_memset/__builtin_memcpy is used to achieve
this, with mixed results depending on back-end and optimization level.
Since gcc 11, a new __builtin_clear_padding intrinsic has been added. We
should be using that instead.
