set flag typeConversionScore_debug. svoid test_newPreciseCall() { class X { long x(long x) { ret x+1; } long y(long x) { ret x+1; } long y(int x) { ret x+2; } } set newPreciseCall_debug; assertEqualsVerbose(6L, newPreciseCall(new X, "x", 5)); assertEqualsVerbose(2L, newPreciseCall(new X, "x", 1L)); assertEqualsVerbose(7L, newPreciseCall(new X, "y", 5)); assertEqualsVerbose(2L, newPreciseCall(new X, "y", 1L)); }