Data-Dumper: fix bugs.t for non-XS testing #15023

Job	Run time
Sanity: Linux -Dusethreads	10m 34s
involved_authors_debug	0s
cygwin	35m 52s
ASAN (-Accflags=-DPURIFY)	21m 59s
Test dist/ modules on MacOS system perl	4m 40s
ASAN (-DDEBUGGING)	22m 48s
dist Linux 5.38 -Dusethreads	2m 7s
install	10m 30s
ASAN (-Dusethreads)	22m 45s
dist Linux 5.38 -Uusethreads	2m 8s
dist Linux 5.24 -Dusethreads	1m 52s
linux (-Uusethreads)	9m 29s
dist Linux 5.24 -Uusethreads	1m 52s
Windows mingw64	34m 53s
linux (-Duseshrplib -Dusequadmath -Dusecbacktrace -Dusethreads)	11m 13s
linux i386/ubuntu (-Dusedevel)	16m 7s
dist Linux 5.10 -Dusethreads	1m 52s
linux (-Duserelocatableinc)	9m 29s
dist Linux 5.10 -Uusethreads	1m 48s
linux (-Dcc='clang')	10m 8s
minitest	3m 42s
dist Linux 5.8 -Dusethreads	2m 1s
linux (-Dcc='g++')	9m 44s
PERL_UNICODE (-Uusethreads)	8m 36s
dist Linux 5.8 -Uusethreads	1m 52s
PERL_UNICODE (-Dusethreads -Accflags=-DPURIFY -Dcc='gcc -fsanitize=address' -Dld='gcc -fsanitize=...	23m 28s
linux (-Accflags=-DSILENT_NO_TAINT_SUPPORT)	9m 38s
macOS (Sonoma) 14 (-Uusethreads)	7m 7s
linux (-Accflags=-DNO_TAINT_SUPPORT)	9m 31s
Windows msvc142	52m 13s
macOS (Sonoma) 14 (-Duseithreads -Duseshrplib)	8m 41s
linux (-DDEBUGGING -Accflags=-DPERL_RC_STACK)	9m 50s
linux (-Uusedl)	9m 15s
	6h 27m 44s

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