[automerger skipped] DO NOT MERGE: [libc++] Move __clamp_to_integral to <cmath>, and harden against min()/max() macros
am: 280d459517 -s ours
am skip reason: subject contains skip directive
Change-Id: I001eb20e4ab08eb7b6ad1071aaeedc444f3fbfb2
This commit is contained in: