Test

iconv: Fix memory management in autoconf test for `//IGNORE` (#22620) #4477

Job	Run time
Generate Matrix	12s
Suite / ALPINE_X64_ASAN_DEBUG_ZTS	33m 6s
Suite / MACOS_ARM64_DEBUG_NTS	22m 55s
Suite / LINUX_X32_DEBUG_ZTS	12m 2s
Suite / LINUX_X64_RELEASE_NTS	22m 16s
Suite / LINUX_X64_ASAN_DEBUG_ZTS	44m 30s
Suite / WINDOWS_X64_ZTS	43m 7s
Suite / FREEBSD_NTS	12m 50s
Suite / BENCHMARKING	13m 5s
Suite / OPCACHE_VARIATION	0s
Suite / MSAN	0s
Suite / LIBMYSQLCLIENT	0s
Suite / COMMUNITY_${{ matrix.type }}	0s
Suite / COVERAGE	0s
Suite / SOLARIS	0s
Suite / LINUX_PPC64_ASAN_DEBUG_ZTS	0s
	3h 24m 3s

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