Regressions on releases/gcc-10 at commit r10-9548 vs commit r10-9491 on Linux/x86_64

[H.J. Lu]

New failures:
FAIL: gcc.dg/tree-prof/cmpsf-1.c execution,    -g
FAIL: gcc.dg/tree-prof/comp-goto-1.c execution,    -g
FAIL: gcc.dg/tree-prof/crossmodule-indircall-1a.c execution,    -g
FAIL: gcc.dg/tree-prof/ic-misattribution-1a.c execution,    -g
FAIL: gcc.dg/tree-prof/peel-1.c execution,    -g
FAIL: gcc.dg/tree-prof/pr34999.c execution,    -g
FAIL: gcc.dg/tree-prof/pr44777.c execution,    -g
FAIL: gcc.dg/tree-prof/pr45354.c execution,    -g
FAIL: gcc.dg/tree-prof/pr96394.c execution,    -g
FAIL: gcc.dg/tree-prof/prof-robust-1.c execution,    -g
FAIL: gcc.dg/tree-prof/section-attr-1.c execution,    -g
FAIL: gcc.dg/tree-prof/section-attr-2.c execution,    -g
FAIL: gcc.dg/tree-prof/section-attr-3.c execution,    -g
FAIL: gcc.dg/tree-prof/switch-case-2.c execution,    -g
FAIL: gcc.dg/tree-prof/update-tailcall.c execution,    -g
FAIL: gcc.dg/tree-prof/val-prof-10.c execution,    -g
FAIL: gcc.dg/tree-prof/val-prof-1.c execution,    -g
FAIL: gcc.dg/tree-prof/val-prof-2.c execution,    -g
FAIL: gcc.dg/tree-prof/val-prof-3.c scan-tree-dump optimized "return 1;"
FAIL: g++.dg/tree-prof/pr63581.C execution,    -g
FAIL: g++.dg/tree-prof/reorder.C execution,    -g

New passes:
FAIL: gcc.dg/tree-prof/crossmodule-indir-call-topn-2.c execution,    -g
FAIL: gcc.dg/tree-prof/ic-misattribution-1.c execution,    -g
FAIL: gcc.dg/tree-prof/indir-call-prof-topn.c execution,    -g
FAIL: gcc.dg/tree-prof/pr59003.c execution,    -g
FAIL: gcc.dg/tree-prof/stringop-1.c execution,    -g
FAIL: gcc.dg/tree-prof/tracer-1.c execution,    -g
FAIL: gcc.dg/tree-prof/wcoverage-mismatch.c execution,    -g