Showing with 7 additions and 9 deletions.
  1. +7 −9 src/lexer.d
16 changes: 7 additions & 9 deletions src/lexer.d
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Original file line number Diff line number Diff line change
Expand Up @@ -1832,16 +1832,14 @@ public:
default:
goto Ldone;
}
uinteger_t n2 = n * base;
if ((n2 / base != n || n2 + d < n))
{
overflow = true;
}
n = n2 + d;
// if n needs more than 64 bits
if (n.sizeof > 8 && n > 0xFFFFFFFFFFFFFFFFUL)
// Avoid expensive overflow check if we aren't at risk of overflow
if (n <= 0x0FFF_FFFF_FFFF_FFFFUL)
n = n * base + d;
else
{
overflow = true;
import core.checkedint;
n = mulu(n, base, overflow);
n = addu(n, d, overflow);
}
}
Ldone:
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