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Fix C++ UB from negating INT_MIN with macro shift INT_MIN

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Rangi
2026-08-22 18:48:36 -04:00
parent 0888600cb7
commit e287ee2724
4 changed files with 11 additions and 1 deletions
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src/asm/macro.cpp
+1 -1
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@@ -72,7 +72,7 @@ void MacroArgs::shiftArgs(int32_t count) {
count > 0 && (static_cast<uint32_t>(count) > nbArgs || shift > nbArgs - count)) {
warning(WARNING_MACRO_SHIFT, "Cannot shift macro arguments past their end");
shift = nbArgs;
} else if (count < 0 && shift < static_cast<uint32_t>(-count)) {
} else if (count < 0 && (count == INT32_MIN || shift < static_cast<uint32_t>(-count))) {
warning(WARNING_MACRO_SHIFT, "Cannot shift macro arguments past their beginning");
shift = 0;
} else {