https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110368
Bug ID: 110368 Summary: Incorrect "is used uninitialized" warning message Product: gcc Version: 13.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: clugstj at gmail dot com Target Milestone: --- Created attachment 55384 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55384&action=edit Code that causes warning The attached code, when compiled with: >gcc -O2 -Wall -Wextra -c uninit.c results in the following error messages: uninit.c: In function 'cksum': uninit.c:20:13: warning: 'l' is used uninitialized [-Wuninitialized] 20 | unsigned l = len; | ^ uninit.c:21:13: warning: 'n' is used uninitialized [-Wuninitialized] 21 | unsigned n = protocol; | ^