Re: lib/malloca.c: error when compiling "groff"

[Bjarni Ingi Gislason]

/usr/bin/gcc-12 -DHAVE_CONFIG_H -I. -I.. -I./src/include 
-I../src/include -I../lib -I./src/include -I./lib -D_FORTIFY_SOURCE=2
-DGCC_LINT -DGNULIB_NO_VLA   -Wno-cast-qual -Wno-conversion
-Wno-float-equal -Wno-sign-compare -Wno-undef -Wno-unused-function
-Wno-unused-parameter -Wno-float-conversion -Wimplicit-fallthrough
-Wno-pedantic -Wno-sign-conversion -Wno-type-limits
-Wno-unsuffixed-float-constants -Walloc-zero -Walloca -Wall -Wextra
-Wformat=2 -Wattribute-warning -Wdate-time -Wformat-security
-Wfree-nonheap-object -Wimplicit-fallthrough=3 -Wmaybe-uninitialized
-Wstringop-overflow=4 -Wredundant-decls -Wshadow=global -Wuninitialized
-Wunused -Wunused-parameter -Wvla -fdiagnostics-generate-patch
-fsanitize=bool -fsanitize=enum -fsanitize=signed-integer-overflow
-fsanitize=integer-divide-by-zero,shift,null
-fsanitize-undefined-trap-on-error -fno-sanitize=pointer-overflow
-fsanitize=return -fsanitize=alignment,object-size,vptr,pointer-overflow
-O0 -fstack-protector-strong -fno-common -fstack-clash-protection
-ftrapv -funsigned-char -fvar-tracking-assignments -ggdb3 -pedantic
-fsanitize=null -fsanitize=nonnull-attribute  -Wmissing-prototypes
-Wold-style-definition -Wstrict-prototypes  -Wold-style-declaration 
-std=c2x  -MT lib/libgnu_a-malloca.o -MD -MP -MF
lib/.deps/libgnu_a-malloca.Tpo -c -o lib/libgnu_a-malloca.o `test -f
'lib/malloca.c' || echo '../'`lib/malloca.c
../lib/malloca.c:42:16: error: expected declaration specifiers or '...'
before numeric constant