Fix #14170 (Bitfields may be followed by comma) (danmar#7865)

Author: mptre

lib/tokenize.cpp

@@ -10055,7 +10055,7 @@ void Tokenizer::simplifyBitfields()
             !Token::Match(tok->next(), "case|public|protected|private|class|struct") &&
             !Token::simpleMatch(tok->tokAt(2), "default :")) {
             Token *tok1 = typeTok->next();
-            if (Token::Match(tok1, "%name% : %num% [;=]"))
+            if (Token::Match(tok1, "%name% : %num% [;=,]"))
                 if (!tok1->setBits(MathLib::toBigNumber(tok1->tokAt(2))))
                     tooLargeError(tok1->tokAt(2));
             if (tok1 && tok1->tokAt(2) &&

test/testtokenize.cpp

@@ -310,6 +310,7 @@ class TestTokenizer : public TestFixture {
         TEST_CASE(bitfields18);
         TEST_CASE(bitfields19); // ticket #13733
         TEST_CASE(bitfields20);
+        TEST_CASE(bitfields21);
 
         TEST_CASE(simplifyNamespaceStd);
 
@@ -4899,6 +4900,16 @@ class TestTokenizer : public TestFixture {
         ASSERT_EQUALS("struct S { volatile :: uint32_t a ; } ;", tokenizeAndStringify(code));
     }
 
+    void bitfields21() {
+        const char code[] = "struct S { uint32_t a : 1, b : 1; };";
+        SimpleTokenizer tokenizer(settings0, *this);
+        ASSERT(tokenizer.tokenize(code));
+        const Token *a = Token::findsimplematch(tokenizer.tokens(), "a");
+        ASSERT_EQUALS(1, a->bits());
+        const Token *b = Token::findsimplematch(tokenizer.tokens(), "b");
+        ASSERT_EQUALS(1, b->bits());
+    }
+
     void simplifyNamespaceStd() {
         const char *expected;