Hey everyone,

Following is the p5p (Perl 5 Porters) mailing list summary for the past week.

Enjoy!

July 31st - August 6th

Issues

New Issues

• Perl #131820: Bleadperl v5.27.2-41-gf4c975aa03 breaks SZABGAB/Pod-Tree-1.25.tar.gz.
• Perl #131821: Bleadperl v5.27.2-34-g196a02af14 breaks SREZIC/Tk-804.033.tar.gz.
• Perl #131822: A multiline regex that starts with /^/m is much slower than the corresponding one that starts with /\n/.
• Perl #131823: Bleadperl v5.27.2-56-g7e8d786b02 breaks PATL/IO-Mux-0.08.tar.gz.
• Perl #131824: Bleadperl breaks Data-Printer-0.39.

Resolved Issues

• Perl #78288: ref and other ops are inefficient in boolean context.
• Perl #127834: Flaws in Perl code due to unsafe module load path.
• Perl #130548: pp_sys.c: Assertion failure.
• Perl #131811: Panic: previous op failed to extend arg stack.
• Perl #131821: Bleadperl v5.27.2-34-g196a02af14 breaks SREZIC/Tk-804.033.tar.gz.
• Perl #131823: Bleadperl v5.27.2-56-g7e8d786b02 breaks PATL/IO-Mux-0.08.tar.gz.

Suggested Patches

Tony also provided a patch for Perl #131725 (number parsing).

Tony Cook also provided a patch for Perl #131786 (Linker error with pp.o if -mieee-fp is in CFLAGS. "multiple definition of \_LIB\_VERSION").

Discussion

Dave Mitchell asks what sv_utf8_upgrade() should do if it receives a qr. It was decided to simply make it a NOOP.

Perl #68534: (Enhancement: which expression (not just scalar) was uninitialized in eq) was upvoted and there's a discussion on the feasibility of providing additional situations in the uninitialized values warnings.