[bug #64730] [html] pre-grohtml: fatal error: 'pre-grohtml' exited with status 2;

[Bjarni Ingi Gislason]

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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