dialyzer: Correct byte_size() and comparisons

The argument of byte_size() is a bitstring().

The code in erl_bif_types that finds cases where comparisons always
return true or false is corrected when it comes to maps and bit
strings.

1 files changed, 138 insertions, 90 deletions

diff --git a/lib/dialyzer/test/small_SUITE_data/results/comparisons b/lib/dialyzer/test/small_SUITE_data/results/comparisons
index 642585d25e..5083d2695a 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/comparisons
+++ b/lib/dialyzer/test/small_SUITE_data/results/comparisons
@@ -1,50 +1,43 @@
 
 comparisons.erl:100: The pattern 'true' can never match the type 'false'
-comparisons.erl:101: The pattern 'true' can never match the type 'false'
+comparisons.erl:101: The pattern 'false' can never match the type 'true'
 comparisons.erl:102: The pattern 'false' can never match the type 'true'
-comparisons.erl:103: The pattern 'false' can never match the type 'true'
+comparisons.erl:103: The pattern 'true' can never match the type 'false'
 comparisons.erl:104: The pattern 'true' can never match the type 'false'
-comparisons.erl:105: The pattern 'true' can never match the type 'false'
-comparisons.erl:107: The pattern 'true' can never match the type 'false'
-comparisons.erl:108: The pattern 'true' can never match the type 'false'
-comparisons.erl:109: The pattern 'false' can never match the type 'true'
-comparisons.erl:110: The pattern 'false' can never match the type 'true'
-comparisons.erl:111: The pattern 'true' can never match the type 'false'
-comparisons.erl:112: The pattern 'true' can never match the type 'false'
-comparisons.erl:113: The pattern 'false' can never match the type 'true'
-comparisons.erl:114: The pattern 'false' can never match the type 'true'
-comparisons.erl:115: The pattern 'true' can never match the type 'false'
-comparisons.erl:116: The pattern 'true' can never match the type 'false'
-comparisons.erl:117: The pattern 'false' can never match the type 'true'
 comparisons.erl:118: The pattern 'false' can never match the type 'true'
+comparisons.erl:119: The pattern 'false' can never match the type 'true'
+comparisons.erl:120: The pattern 'true' can never match the type 'false'
+comparisons.erl:121: The pattern 'true' can never match the type 'false'
+comparisons.erl:122: The pattern 'false' can never match the type 'true'
 comparisons.erl:123: The pattern 'false' can never match the type 'true'
-comparisons.erl:124: The pattern 'false' can never match the type 'true'
+comparisons.erl:124: The pattern 'true' can never match the type 'false'
 comparisons.erl:125: The pattern 'true' can never match the type 'false'
-comparisons.erl:126: The pattern 'true' can never match the type 'false'
+comparisons.erl:126: The pattern 'false' can never match the type 'true'
 comparisons.erl:127: The pattern 'false' can never match the type 'true'
-comparisons.erl:128: The pattern 'false' can never match the type 'true'
+comparisons.erl:128: The pattern 'true' can never match the type 'false'
 comparisons.erl:129: The pattern 'true' can never match the type 'false'
-comparisons.erl:130: The pattern 'true' can never match the type 'false'
+comparisons.erl:130: The pattern 'false' can never match the type 'true'
+comparisons.erl:131: The pattern 'false' can never match the type 'true'
 comparisons.erl:132: The pattern 'true' can never match the type 'false'
 comparisons.erl:133: The pattern 'true' can never match the type 'false'
 comparisons.erl:134: The pattern 'false' can never match the type 'true'
 comparisons.erl:135: The pattern 'false' can never match the type 'true'
 comparisons.erl:136: The pattern 'true' can never match the type 'false'
 comparisons.erl:137: The pattern 'true' can never match the type 'false'
-comparisons.erl:138: The pattern 'false' can never match the type 'true'
-comparisons.erl:139: The pattern 'false' can never match the type 'true'
+comparisons.erl:139: The pattern 'true' can never match the type 'false'
 comparisons.erl:140: The pattern 'true' can never match the type 'false'
-comparisons.erl:141: The pattern 'true' can never match the type 'false'
+comparisons.erl:141: The pattern 'false' can never match the type 'true'
 comparisons.erl:142: The pattern 'false' can never match the type 'true'
-comparisons.erl:143: The pattern 'false' can never match the type 'true'
+comparisons.erl:143: The pattern 'true' can never match the type 'false'
 comparisons.erl:144: The pattern 'true' can never match the type 'false'
-comparisons.erl:145: The pattern 'true' can never match the type 'false'
+comparisons.erl:145: The pattern 'false' can never match the type 'true'
 comparisons.erl:146: The pattern 'false' can never match the type 'true'
-comparisons.erl:147: The pattern 'false' can never match the type 'true'
-comparisons.erl:152: The pattern 'false' can never match the type 'true'
-comparisons.erl:153: The pattern 'false' can never match the type 'true'
-comparisons.erl:154: The pattern 'true' can never match the type 'false'
-comparisons.erl:155: The pattern 'true' can never match the type 'false'
+comparisons.erl:147: The pattern 'true' can never match the type 'false'
+comparisons.erl:148: The pattern 'true' can never match the type 'false'
+comparisons.erl:149: The pattern 'false' can never match the type 'true'
+comparisons.erl:150: The pattern 'false' can never match the type 'true'
+comparisons.erl:155: The pattern 'false' can never match the type 'true'
+comparisons.erl:156: The pattern 'false' can never match the type 'true'
 comparisons.erl:157: The pattern 'true' can never match the type 'false'
 comparisons.erl:158: The pattern 'true' can never match the type 'false'
 comparisons.erl:159: The pattern 'false' can never match the type 'true'
@@ -59,36 +52,62 @@ comparisons.erl:167: The pattern 'false' can never match the type 'true'
 comparisons.erl:168: The pattern 'false' can never match the type 'true'
 comparisons.erl:169: The pattern 'true' can never match the type 'false'
 comparisons.erl:170: The pattern 'true' can never match the type 'false'
-comparisons.erl:171: The pattern 'false' can never match the type 'true'
-comparisons.erl:172: The pattern 'false' can never match the type 'true'
+comparisons.erl:172: The pattern 'true' can never match the type 'false'
 comparisons.erl:173: The pattern 'true' can never match the type 'false'
-comparisons.erl:174: The pattern 'true' can never match the type 'false'
+comparisons.erl:174: The pattern 'false' can never match the type 'true'
 comparisons.erl:175: The pattern 'false' can never match the type 'true'
-comparisons.erl:176: The pattern 'false' can never match the type 'true'
+comparisons.erl:176: The pattern 'true' can never match the type 'false'
+comparisons.erl:177: The pattern 'true' can never match the type 'false'
+comparisons.erl:178: The pattern 'false' can never match the type 'true'
+comparisons.erl:179: The pattern 'false' can never match the type 'true'
+comparisons.erl:180: The pattern 'true' can never match the type 'false'
+comparisons.erl:181: The pattern 'true' can never match the type 'false'
+comparisons.erl:182: The pattern 'false' can never match the type 'true'
+comparisons.erl:183: The pattern 'false' can never match the type 'true'
+comparisons.erl:184: The pattern 'true' can never match the type 'false'
+comparisons.erl:185: The pattern 'true' can never match the type 'false'
 comparisons.erl:186: The pattern 'false' can never match the type 'true'
 comparisons.erl:187: The pattern 'false' can never match the type 'true'
-comparisons.erl:188: The pattern 'true' can never match the type 'false'
-comparisons.erl:189: The pattern 'true' can never match the type 'false'
-comparisons.erl:190: The pattern 'false' can never match the type 'true'
-comparisons.erl:191: The pattern 'false' can never match the type 'true'
-comparisons.erl:192: The pattern 'true' can never match the type 'false'
-comparisons.erl:193: The pattern 'true' can never match the type 'false'
-comparisons.erl:203: The pattern 'false' can never match the type 'true'
-comparisons.erl:204: The pattern 'false' can never match the type 'true'
+comparisons.erl:192: The pattern 'false' can never match the type 'true'
+comparisons.erl:193: The pattern 'false' can never match the type 'true'
+comparisons.erl:194: The pattern 'true' can never match the type 'false'
+comparisons.erl:195: The pattern 'true' can never match the type 'false'
+comparisons.erl:196: The pattern 'false' can never match the type 'true'
+comparisons.erl:197: The pattern 'false' can never match the type 'true'
+comparisons.erl:198: The pattern 'true' can never match the type 'false'
+comparisons.erl:199: The pattern 'true' can never match the type 'false'
+comparisons.erl:200: The pattern 'false' can never match the type 'true'
+comparisons.erl:201: The pattern 'false' can never match the type 'true'
+comparisons.erl:202: The pattern 'true' can never match the type 'false'
+comparisons.erl:203: The pattern 'true' can never match the type 'false'
 comparisons.erl:205: The pattern 'true' can never match the type 'false'
 comparisons.erl:206: The pattern 'true' can never match the type 'false'
-comparisons.erl:208: The pattern 'true' can never match the type 'false'
+comparisons.erl:207: The pattern 'false' can never match the type 'true'
+comparisons.erl:208: The pattern 'false' can never match the type 'true'
 comparisons.erl:209: The pattern 'true' can never match the type 'false'
-comparisons.erl:210: The pattern 'false' can never match the type 'true'
+comparisons.erl:210: The pattern 'true' can never match the type 'false'
 comparisons.erl:211: The pattern 'false' can never match the type 'true'
+comparisons.erl:212: The pattern 'false' can never match the type 'true'
+comparisons.erl:213: The pattern 'true' can never match the type 'false'
+comparisons.erl:214: The pattern 'true' can never match the type 'false'
+comparisons.erl:215: The pattern 'false' can never match the type 'true'
+comparisons.erl:216: The pattern 'false' can never match the type 'true'
+comparisons.erl:217: The pattern 'true' can never match the type 'false'
+comparisons.erl:218: The pattern 'true' can never match the type 'false'
+comparisons.erl:219: The pattern 'false' can never match the type 'true'
+comparisons.erl:220: The pattern 'false' can never match the type 'true'
 comparisons.erl:221: The pattern 'true' can never match the type 'false'
 comparisons.erl:222: The pattern 'true' can never match the type 'false'
 comparisons.erl:223: The pattern 'false' can never match the type 'true'
 comparisons.erl:224: The pattern 'false' can never match the type 'true'
-comparisons.erl:225: The pattern 'true' can never match the type 'false'
-comparisons.erl:226: The pattern 'true' can never match the type 'false'
-comparisons.erl:227: The pattern 'false' can never match the type 'true'
-comparisons.erl:228: The pattern 'false' can never match the type 'true'
+comparisons.erl:229: The pattern 'true' can never match the type 'false'
+comparisons.erl:230: The pattern 'true' can never match the type 'false'
+comparisons.erl:231: The pattern 'false' can never match the type 'true'
+comparisons.erl:232: The pattern 'false' can never match the type 'true'
+comparisons.erl:233: The pattern 'false' can never match the type 'true'
+comparisons.erl:234: The pattern 'false' can never match the type 'true'
+comparisons.erl:235: The pattern 'true' can never match the type 'false'
+comparisons.erl:236: The pattern 'true' can never match the type 'false'
 comparisons.erl:242: The pattern 'false' can never match the type 'true'
 comparisons.erl:243: The pattern 'false' can never match the type 'true'
 comparisons.erl:244: The pattern 'true' can never match the type 'false'
@@ -97,57 +116,86 @@ comparisons.erl:246: The pattern 'false' can never match the type 'true'
 comparisons.erl:247: The pattern 'false' can never match the type 'true'
 comparisons.erl:248: The pattern 'true' can never match the type 'false'
 comparisons.erl:249: The pattern 'true' can never match the type 'false'
-comparisons.erl:251: The pattern 'true' can never match the type 'false'
-comparisons.erl:252: The pattern 'true' can never match the type 'false'
-comparisons.erl:253: The pattern 'false' can never match the type 'true'
-comparisons.erl:254: The pattern 'false' can never match the type 'true'
-comparisons.erl:263: The pattern 'false' can never match the type 'true'
-comparisons.erl:264: The pattern 'false' can never match the type 'true'
+comparisons.erl:259: The pattern 'false' can never match the type 'true'
+comparisons.erl:260: The pattern 'false' can never match the type 'true'
+comparisons.erl:261: The pattern 'true' can never match the type 'false'
+comparisons.erl:262: The pattern 'true' can never match the type 'false'
+comparisons.erl:264: The pattern 'true' can never match the type 'false'
 comparisons.erl:265: The pattern 'true' can never match the type 'false'
-comparisons.erl:266: The pattern 'true' can never match the type 'false'
-comparisons.erl:268: The pattern 'true' can never match the type 'false'
-comparisons.erl:269: The pattern 'true' can never match the type 'false'
-comparisons.erl:270: The pattern 'false' can never match the type 'true'
-comparisons.erl:271: The pattern 'false' can never match the type 'true'
-comparisons.erl:272: The pattern 'true' can never match the type 'false'
-comparisons.erl:273: The pattern 'true' can never match the type 'false'
-comparisons.erl:274: The pattern 'false' can never match the type 'true'
-comparisons.erl:275: The pattern 'false' can never match the type 'true'
-comparisons.erl:293: The pattern 'false' can never match the type 'true'
-comparisons.erl:294: The pattern 'false' can never match the type 'true'
-comparisons.erl:295: The pattern 'true' can never match the type 'false'
-comparisons.erl:296: The pattern 'true' can never match the type 'false'
-comparisons.erl:311: The pattern 'true' can never match the type 'false'
-comparisons.erl:312: The pattern 'true' can never match the type 'false'
-comparisons.erl:313: The pattern 'false' can never match the type 'true'
-comparisons.erl:314: The pattern 'false' can never match the type 'true'
-comparisons.erl:44: The pattern 'false' can never match the type 'true'
-comparisons.erl:45: The pattern 'false' can never match the type 'true'
-comparisons.erl:46: The pattern 'true' can never match the type 'false'
-comparisons.erl:47: The pattern 'true' can never match the type 'false'
-comparisons.erl:48: The pattern 'false' can never match the type 'true'
-comparisons.erl:49: The pattern 'false' can never match the type 'true'
-comparisons.erl:50: The pattern 'true' can never match the type 'false'
-comparisons.erl:51: The pattern 'true' can never match the type 'false'
+comparisons.erl:266: The pattern 'false' can never match the type 'true'
+comparisons.erl:267: The pattern 'false' can never match the type 'true'
+comparisons.erl:277: The pattern 'true' can never match the type 'false'
+comparisons.erl:278: The pattern 'true' can never match the type 'false'
+comparisons.erl:279: The pattern 'false' can never match the type 'true'
+comparisons.erl:280: The pattern 'false' can never match the type 'true'
+comparisons.erl:281: The pattern 'true' can never match the type 'false'
+comparisons.erl:282: The pattern 'true' can never match the type 'false'
+comparisons.erl:283: The pattern 'false' can never match the type 'true'
+comparisons.erl:284: The pattern 'false' can never match the type 'true'
+comparisons.erl:298: The pattern 'false' can never match the type 'true'
+comparisons.erl:299: The pattern 'false' can never match the type 'true'
+comparisons.erl:300: The pattern 'true' can never match the type 'false'
+comparisons.erl:301: The pattern 'true' can never match the type 'false'
+comparisons.erl:302: The pattern 'false' can never match the type 'true'
+comparisons.erl:303: The pattern 'false' can never match the type 'true'
+comparisons.erl:304: The pattern 'true' can never match the type 'false'
+comparisons.erl:305: The pattern 'true' can never match the type 'false'
+comparisons.erl:307: The pattern 'true' can never match the type 'false'
+comparisons.erl:308: The pattern 'true' can never match the type 'false'
+comparisons.erl:309: The pattern 'false' can never match the type 'true'
+comparisons.erl:310: The pattern 'false' can never match the type 'true'
+comparisons.erl:319: The pattern 'false' can never match the type 'true'
+comparisons.erl:320: The pattern 'false' can never match the type 'true'
+comparisons.erl:321: The pattern 'true' can never match the type 'false'
+comparisons.erl:322: The pattern 'true' can never match the type 'false'
+comparisons.erl:324: The pattern 'true' can never match the type 'false'
+comparisons.erl:325: The pattern 'true' can never match the type 'false'
+comparisons.erl:326: The pattern 'false' can never match the type 'true'
+comparisons.erl:327: The pattern 'false' can never match the type 'true'
+comparisons.erl:328: The pattern 'true' can never match the type 'false'
+comparisons.erl:329: The pattern 'true' can never match the type 'false'
+comparisons.erl:330: The pattern 'false' can never match the type 'true'
+comparisons.erl:331: The pattern 'false' can never match the type 'true'
+comparisons.erl:349: The pattern 'false' can never match the type 'true'
+comparisons.erl:350: The pattern 'false' can never match the type 'true'
+comparisons.erl:351: The pattern 'true' can never match the type 'false'
+comparisons.erl:352: The pattern 'true' can never match the type 'false'
+comparisons.erl:367: The pattern 'true' can never match the type 'false'
+comparisons.erl:368: The pattern 'true' can never match the type 'false'
+comparisons.erl:369: The pattern 'false' can never match the type 'true'
+comparisons.erl:370: The pattern 'false' can never match the type 'true'
 comparisons.erl:52: The pattern 'false' can never match the type 'true'
 comparisons.erl:53: The pattern 'false' can never match the type 'true'
 comparisons.erl:54: The pattern 'true' can never match the type 'false'
 comparisons.erl:55: The pattern 'true' can never match the type 'false'
+comparisons.erl:56: The pattern 'false' can never match the type 'true'
+comparisons.erl:57: The pattern 'false' can never match the type 'true'
+comparisons.erl:58: The pattern 'true' can never match the type 'false'
+comparisons.erl:59: The pattern 'true' can never match the type 'false'
+comparisons.erl:60: The pattern 'false' can never match the type 'true'
+comparisons.erl:61: The pattern 'false' can never match the type 'true'
+comparisons.erl:62: The pattern 'true' can never match the type 'false'
+comparisons.erl:63: The pattern 'true' can never match the type 'false'
+comparisons.erl:64: The pattern 'false' can never match the type 'true'
+comparisons.erl:65: The pattern 'false' can never match the type 'true'
+comparisons.erl:66: The pattern 'true' can never match the type 'false'
+comparisons.erl:67: The pattern 'true' can never match the type 'false'
+comparisons.erl:68: The pattern 'false' can never match the type 'true'
 comparisons.erl:69: The pattern 'false' can never match the type 'true'
-comparisons.erl:70: The pattern 'false' can never match the type 'true'
+comparisons.erl:70: The pattern 'true' can never match the type 'false'
 comparisons.erl:71: The pattern 'true' can never match the type 'false'
-comparisons.erl:72: The pattern 'true' can never match the type 'false'
-comparisons.erl:73: The pattern 'false' can never match the type 'true'
-comparisons.erl:74: The pattern 'false' can never match the type 'true'
-comparisons.erl:75: The pattern 'true' can never match the type 'false'
-comparisons.erl:76: The pattern 'true' can never match the type 'false'
-comparisons.erl:77: The pattern 'false' can never match the type 'true'
-comparisons.erl:78: The pattern 'false' can never match the type 'true'
-comparisons.erl:79: The pattern 'true' can never match the type 'false'
-comparisons.erl:80: The pattern 'true' can never match the type 'false'
+comparisons.erl:85: The pattern 'false' can never match the type 'true'
+comparisons.erl:86: The pattern 'false' can never match the type 'true'
+comparisons.erl:87: The pattern 'true' can never match the type 'false'
+comparisons.erl:88: The pattern 'true' can never match the type 'false'
+comparisons.erl:89: The pattern 'false' can never match the type 'true'
+comparisons.erl:90: The pattern 'false' can never match the type 'true'
+comparisons.erl:91: The pattern 'true' can never match the type 'false'
+comparisons.erl:92: The pattern 'true' can never match the type 'false'
+comparisons.erl:93: The pattern 'false' can never match the type 'true'
 comparisons.erl:94: The pattern 'false' can never match the type 'true'
-comparisons.erl:95: The pattern 'false' can never match the type 'true'
+comparisons.erl:95: The pattern 'true' can never match the type 'false'
 comparisons.erl:96: The pattern 'true' can never match the type 'false'
-comparisons.erl:97: The pattern 'true' can never match the type 'false'
+comparisons.erl:97: The pattern 'false' can never match the type 'true'
 comparisons.erl:98: The pattern 'false' can never match the type 'true'
-comparisons.erl:99: The pattern 'false' can never match the type 'true'
+comparisons.erl:99: The pattern 'true' can never match the type 'false'