Follow-up Comment #1, bug #64730 (project groff):
This is probably a bug in the gcc with one of the options
-fsanitize=undefined, -fsanitize=bounds, and -fsanitize=bounds-strict,
as the error is absent with default flags "-g -O2".
This default warning remains:
warning: ISO C++ forbids converting a string constant to 'char*'
[-Wwrite-strings]
The line number and name of the source file is missing in the error
message:
GROFF doc/pic.html
failed to replace fd=1 with -1
pre-grohtml: fatal error: dup2: Bad file descriptor
and
GROFF doc/webpage.html
failed to replace fd=1 with -1
pre-grohtml: fatal error: dup2: Bad file descriptor
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