PR pch/54117
* c-opts.c (c_common_post_options): If debug info is enabled
and non-dwarf*, refuse to load PCH files and when writing PCH
file warn.
* lib/dg-pch.exp (pch-init, pch-finish,
check_effective_target_pch_supported_debug): New procs.
(dg-flags-pch): If $pch_unsupported, make tests UNSUPPORTED.
Likewise if $pch_unsupported_debug and $flags include -g.
Skip FAILs about missing *.gch file if $pch_unsupported_debug
and dg-require-effective-target pch_unsupported_debug.
* g++.dg/pch/pch.exp: Call pch-init and pch-finish.
* objc.dg/pch/pch.exp: Likewise.
* gcc.dg/pch/pch.exp: Likewise.
* gcc.dg/pch/valid-1.c: Add dg-require-effective-target
pch_unsupported_debug.
* gcc.dg/pch/valid-1.hs: Likewise.
* gcc.dg/pch/valid-1b.c: Likewise.
* gcc.dg/pch/valid-1b.hs: Likewise.
Co-Authored-By: Steven Bosscher <steven@gcc.gnu.org>
From-SVN: r196124
