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Puzzle: Use temporary variables when dereferencing initial_board

Simon McVittie requested to merge wip/smcv/issue32 into master

  • Puzzle: Use temporary variables when dereferencing initial_board

    If we directly use (!) initial_board [x, y], the C code generated by valac 0.48.16 sets a temporary variable to a pointer into initial_board, and then frees that pointer when it goes out of scope, leaving a dangling pointer in initial_board which causes a double-free and a crash.

    Resolves: #32
    Bug-Debian: https://bugs.debian.org/986718

  • Puzzle: Clarify why we can assume that saved tile references are non-null

Edited by Simon McVittie

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