Split compiler.h into two headers #6779

Job	Run time
Clang Tidy	2m 39s
Linux (gcc, shared)	9m 46s
Analysis (coverage, gcc, ubuntu-24.04)	13m 58s
Linux (gcc, amalgamation)	7m 33s
Analysis (sanitizer, clang, ubuntu-24.04)	20m 47s
macOS (shared, xcode, macos-13)	9m 18s
Linux (gcc, static)	9m 14s
Analysis (valgrind, clang, ubuntu-24.04)	34m 38s
macOS (amalgamation, xcode, macos-13)	6m 41s
Linux (clang, shared)	11m 11s
Analysis (fuzzers, gcc, ubuntu-24.04)	34m 38s
macOS (shared, xcode, macos-14)	4m 59s
Analysis (lint, gcc, ubuntu-24.04)	1m 5s
macOS (amalgamation, xcode, macos-14)	3m 52s
Analysis (format, gcc, ubuntu-24.04)	43s
Special (examples, gcc, ubuntu-24.04)	9m 45s
Analysis (limbo, gcc, ubuntu-24.04)	9m 10s
Special (minimized, gcc, ubuntu-24.04)	2m 15s
Windows (shared, x86_64, windows-2022)	20m 44s
Special (bsi, gcc, ubuntu-24.04)	4m 35s
Windows (static, x86_64, windows-2022)	17m 39s
Special (docs, gcc, ubuntu-24.04)	1m 5s
Windows (amalgamation, x86_64, windows-2022)	10m 16s
Cross (cross-i386, gcc, ubuntu-22.04)	11m 57s
Special (no_pcurves, gcc, ubuntu-24.04)	9m 50s
Windows (shared, x86, windows-2022)	21m 0s
Cross (cross-arm32, gcc, ubuntu-24.04)	24m 21s
Cross (cross-arm64, gcc, ubuntu-24.04)	10m 51s
Cross (cross-ppc64, gcc, ubuntu-24.04)	10m 48s
Cross (cross-mips64, gcc, ubuntu-24.04)	18m 46s
Cross (cross-android-arm64, clang, ubuntu-24.04)	8m 4s
Cross (static, gcc, windows-2022, make)	16m 8s
Cross (cross-ios-arm64, xcode, macos-13)	7m 31s
Cross (cross-arm32-baremetal, gcc, ubuntu-24.04)	9m 8s
	6h 34m 55s

Provide feedback