This series includes two minor cleanup for perf build, with
using the GCC-15 (15.0.1 20250327).

Leo Yan (2):
  perf build: Remove unused LIBPERF_CLFAGS
  perf hist: Refine signed integer checking

 tools/perf/Makefile.config | 2 --
 tools/perf/ui/stdio/hist.c | 6 +-----
 2 files changed, 1 insertion(+), 7 deletions(-)

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2.34.1