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Shifting a number into the sign bit of a signed integer is UB

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Shift as a unsigned number instead.
This commit is contained in:
Anonymous Maarten
2026-04-02 20:04:41 +02:00
committed by Anonymous Maarten
parent 48e80c8f26
commit df72e3f59d
1 changed files with 1 additions and 1 deletions
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2
test/testatomic.c
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@@ -101,7 +101,7 @@ static void RunBasicTest(void)
#define VALBITS (sizeof(atomicValue) * 8)
#define atomicValue int
#define CountTo ((atomicValue)((unsigned int)(1 << (VALBITS - 1)) - 1))
#define CountTo ((atomicValue)((1u << (VALBITS - 1)) - 1))
#define NInter (CountTo / CountInc / NThreads)
#define Expect (CountTo - NInter * CountInc * NThreads)