tesselation error over St. Petersburg FL about earcut

[mourner]

Needs a single polygon test case.

[jfirebaugh]

[[[1161,2432],[1146,2420],[1145,2422],[1144,2420],[1145,2420],[1144,2419],[1148,2403],[1168,2409],[1144,2391],[1149,2378],[1139,2363],[1157,2343],[1123,2366],[1110,2347],[1092,2362],[1072,2342],[1070,2358],[1057,2338],[1048,2347],[1047,2344],[1043,2347],[1038,2344],[1036,2346],[1035,2343],[1027,2339],[1018,2351],[1012,2340],[998,2357],[996,2348],[973,2353],[974,2334],[963,2350],[960,2325],[950,2336],[952,2305],[930,2304],[968,2303],[964,2290],[958,2301],[951,2295],[961,2281],[947,2290],[958,2279],[944,2278],[950,2267],[932,2272],[952,2252],[923,2271],[913,2257],[887,2255],[894,2239],[892,2237],[888,2240],[885,2238],[891,2237],[880,2229],[890,2212],[873,2197],[889,2188],[877,2188],[879,2179],[865,2192],[866,2174],[855,2183],[868,2169],[860,2163],[854,2174],[849,2162],[864,2157],[848,2160],[848,2155],[850,2154],[850,2136],[844,2143],[817,2117],[786,2130],[773,2091],[760,2098],[758,2084],[725,2074],[726,2060],[709,2063],[721,2056],[707,2041],[713,2018],[704,2019],[704,2000],[720,1998],[707,1980],[716,1942],[700,1940],[735,1939],[669,1930],[649,1920],[639,1902],[646,1892],[631,1900],[602,1886],[581,1857],[591,1850],[573,1844],[587,1844],[568,1796],[551,1791],[508,1719],[327,1629],[331,1617],[323,1626],[309,1604],[287,1595],[285,1597],[281,1593],[287,1564],[276,1589],[276,1568],[262,1576],[263,1566],[179,1590],[177,1576],[175,1590],[146,1598],[146,1567],[142,1581],[122,1563],[107,1587],[95,1581],[99,1568],[80,1575],[79,1563],[71,1608],[67,1595],[56,1610],[44,1594],[21,1591],[24,1605],[9,1600],[9,1645],[-8,1628],[-13,1660],[-8,1670],[-9,1658],[0,1662],[0,1644],[24,1683],[-43,1661],[-51,1680],[-40,1693],[26,1702],[23,1743],[-35,1740],[-43,1734],[18,1741],[-51,1717],[-128,1741],[-128,4224],[1478,4224],[1460,4190],[1409,4101],[1409,4094],[1387,4053],[1408,4062],[1392,4051],[1396,4034],[1388,4044],[1393,4026],[1387,4019],[1388,4018],[1387,4018],[1387,4020],[1386,4018],[1387,4018],[1370,3997],[1360,3947],[1343,3937],[1343,3919],[1335,3922],[1353,3968],[1316,3922],[1324,3895],[1334,3919],[1337,3878],[1326,3871],[1311,3804],[1246,3779],[1255,3767],[1248,3764],[1264,3756],[1262,3732],[1246,3745],[1233,3723],[1245,3716],[1263,3714],[1278,3723],[1278,3726],[1308,3740],[1341,3732],[1369,3765],[1371,3752],[1352,3737],[1348,3737],[1363,3718],[1423,3721],[1392,3712],[1404,3707],[1320,3729],[1290,3721],[1311,3684],[1334,3673],[1320,3663],[1315,3679],[1290,3689],[1303,3673],[1278,3664],[1311,3668],[1309,3648],[1333,3651],[1321,3637],[1314,3645],[1319,3621],[1342,3588],[1352,3584],[1351,3575],[1417,3556],[1378,3554],[1382,3543],[1388,3549],[1379,3535],[1388,3544],[1384,3531],[1394,3540],[1395,3528],[1427,3517],[1417,3511],[1431,3515],[1419,3502],[1433,3509],[1425,3502],[1439,3487],[1429,3483],[1440,3482],[1430,3480],[1451,3472],[1435,3442],[1436,3409],[1413,3408],[1433,3403],[1417,3401],[1417,3380],[1431,3386],[1428,3372],[1449,3365],[1416,3368],[1412,3402],[1408,3361],[1372,3391],[1385,3470],[1341,3461],[1328,3456],[1340,3455],[1335,3439],[1325,3446],[1343,3427],[1343,3412],[1334,3413],[1345,3408],[1347,3372],[1318,3376],[1338,3365],[1332,3356],[1278,3347],[1317,3348],[1277,3329],[1283,3320],[1268,3320],[1260,3301],[1246,3324],[1244,3298],[1222,3293],[1238,3319],[1216,3352],[1226,3344],[1221,3355],[1206,3359],[1198,3378],[1221,3396],[1226,3379],[1230,3395],[1252,3397],[1284,3429],[1305,3423],[1275,3439],[1295,3435],[1295,3466],[1283,3443],[1268,3456],[1284,3453],[1288,3469],[1302,3472],[1287,3488],[1278,3471],[1272,3485],[1285,3485],[1284,3496],[1268,3488],[1276,3514],[1264,3522],[1276,3534],[1263,3539],[1267,3547],[1272,3536],[1272,3553],[1265,3567],[1236,3565],[1235,3575],[1221,3555],[1233,3552],[1229,3534],[1210,3541],[1197,3523],[1189,3528],[1173,3475],[1180,3460],[1173,3470],[1160,3456],[1169,3489],[1152,3482],[1136,3469],[1114,3435],[1116,3420],[1132,3402],[1122,3406],[1148,3333],[1159,3341],[1152,3311],[1169,3253],[1159,3257],[1159,3236],[1170,3227],[1146,3183],[1176,3200],[1148,3171],[1192,3134],[1174,3133],[1175,3123],[1193,3129],[1195,3118],[1177,3113],[1196,3112],[1188,3097],[1202,3093],[1194,3077],[1196,3076],[1197,3055],[1206,3028],[1220,3025],[1215,3004],[1229,3004],[1215,2997],[1237,2983],[1221,2977],[1243,2966],[1246,2948],[1231,2939],[1244,2931],[1242,2899],[1253,2899],[1243,2887],[1264,2884],[1255,2881],[1259,2850],[1250,2854],[1265,2835],[1255,2829],[1256,2827],[1253,2827],[1265,2803],[1255,2805],[1259,2787],[1247,2781],[1267,2778],[1253,2768],[1255,2766],[1253,2764],[1282,2738],[1273,2733],[1269,2746],[1256,2718],[1248,2739],[1243,2725],[1270,2695],[1267,2679],[1274,2677],[1259,2657],[1274,2639],[1258,2650],[1266,2615],[1250,2595],[1265,2600],[1274,2582],[1255,2578],[1272,2572],[1215,2550],[1225,2539],[1213,2543],[1212,2533],[1210,2536],[1208,2534],[1164,2542],[1210,2526],[1195,2514],[1197,2495],[1193,2496],[1191,2496],[1175,2500],[1181,2480],[1197,2474],[1183,2473],[1195,2463],[1177,2466],[1194,2459],[1179,2451],[1197,2456],[1182,2449],[1185,2446],[1168,2443],[1172,2439],[1166,2442],[1161,2441],[1171,2422],[1161,2420],[1161,2432]],[[1123,3352],[1116,3420],[1111,3427],[1122,3456],[1136,3469],[1158,3502],[1113,3445],[1114,3435],[1111,3430],[1123,3352]]]

[mourner]

This one doesn't look too bad actually, and is caused by self-intersections that would go away with StrictlySimple. cc @springmeyer