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internal/bits.h: Suppress "uninitialized variable"

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Coverity Scan says "Using uninitialized value c.fixnum when calling
__builtin_mul_overflow_p."
This commit is contained in:
Yusuke Endoh 2020-04-09 09:38:57 +09:00
parent 1a4f33e84e
commit 9af3469b84
1 changed files with 1 additions and 1 deletions
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internal/bits.h
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@ -112,7 +112,7 @@
/* and GCC permits bitfields for integers other than int */ /* and GCC permits bitfields for integers other than int */
# define MUL_OVERFLOW_FIXNUM_P(a, b) \ # define MUL_OVERFLOW_FIXNUM_P(a, b) \
__extension__ ({ \ __extension__ ({ \
struct { long fixnum : sizeof(long) * CHAR_BIT - 1; } c; \ struct { long fixnum : sizeof(long) * CHAR_BIT - 1; } c = { 0 }; \
__builtin_mul_overflow_p((a), (b), c.fixnum); \ __builtin_mul_overflow_p((a), (b), c.fixnum); \
}) })
#else #else