Merge branch 'ab/trace2-squelch-gcc-warning'

Workaround compiler warnings. * ab/trace2-squelch-gcc-warning: trace2: refactor to avoid gcc warning under -O3

Junio C Hamano committed Jun 14, 2021 at 13:33 UTC ac2158649dee9dc0644aefc0be5d25d54f63ad90

No changes.