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Paul Eggert authored
These changes suffice for temacs on x86-64 with GCC 4.9.2 and -fsanitize=address. * alloc.c (valid_pointer_p) [ADDRESS_SANITIZER]: Return -1 or 0, as the pipe trick doesn't work. * alloc.c (relocatable_string_data_p, mark_object, sweep_symbols): * data.c (Ffset): * print.c (print_object): When a pointer-check primitive returns -1, do not assume this means the pointer is valid or that the underlying system has failed. It could just be that addresses are being sanitized so Emacs can't test for pointer validity. * lisp.h (defined_GC_CHECK_STRING_BYTES): New constant. (USE_STACK_STRING) [GC_CHECK_STRING_BYTES]: Now false, since the string validity checker doesn't work on stack-based strings.
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