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Pacify gcc -Woverflow more nicely

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* src/alloc.c (mark_maybe_pointer): Simplify pacification
of gcc -Woverflow (unknown GCC version).
This commit is contained in:
Paul Eggert 2021-07-11 23:54:32 -07:00
parent 352baac72f
commit da2f772fe5
1 changed files with 1 additions and 6 deletions
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7
src/alloc.c
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@ -4764,12 +4764,7 @@ mark_maybe_pointer (void *p, bool symbol_only)
from Emacs source code, it can occur in some cases. To fix
this problem, the pdumper code should grok non-initial
addresses, as the non-pdumper code does. */
#ifdef WIDE_EMACS_INT
uintptr_t mask = ~((uintptr_t) 0);
#else
uintptr_t mask = VALMASK;
#endif
void *po = (void *) ((uintptr_t) p & mask);
void *po = (void *) ((uintptr_t) p & (uintptr_t) VALMASK);
char *cp = p;
char *cpo = po;
/* Don't use pdumper_object_p_precise here! It doesn't check the