The CL #33996 (https://codereview.chromium.org/1695283002) exposed one hidden bug in x87 crankshaft code generation for LCodeGen::DoMathMinMax().

  This CL fixed this bug.

BUG=

Review URL: https://codereview.chromium.org/1715263002

Cr-Commit-Position: refs/heads/master@{#34183}