[Bug sanitizer/62089] Sanitizer may fail to instrument struct accesses

[y.gribov at samsung dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62089

Yury Gribov <y.gribov at samsung dot com> changed:

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                 CC|                            |y.gribov at samsung dot com

--- Comment #1 from Yury Gribov <y.gribov at samsung dot com> ---
Created attachment 33289
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33289&action=edit
Proposed patch

Attached a simple patch which seems to fix the problem. Bootstrap and regtests
passed but I want to test Asan-bootstrap as well. I'll then send patch for
review to gcc-patches.