Fix stack capture on overflow for Error.stackTraceLimit == Infinity

src/conversions.h

Index: src/conversions.h
diff --git a/src/conversions.h b/src/conversions.h
index a23ea90fb125e14c925f5ca6cc79a731b02f8cbc..0c76574ab1480d9ee600ec601706b145f1af8a23 100644
--- a/src/conversions.h
+++ b/src/conversions.h
@@ -41,7 +41,8 @@ inline bool isBinaryDigit(int x) {
 
 // The fast double-to-(unsigned-)int conversion routine does not guarantee
 // rounding towards zero.
-// For NaN and values outside the int range, return INT_MIN or INT_MAX.
+// If x is NaN, the result is INT_MIN.  Otherwise the result is the argument x,
+// clamped to [INT_MIN, INT_MAX] and then rounded to an integer.
 inline int FastD2IChecked(double x) {
   if (!(x >= INT_MIN)) return INT_MIN;  // Negation to catch NaNs.
   if (x > INT_MAX) return INT_MAX;