fix #13312: internalAstError for increment after label in lambda (danmar#7309)

Author: ludviggunne

lib/tokenlist.cpp

@@ -1803,7 +1803,7 @@ static Token * createAstAtToken(Token *tok)
         !tok->previous() ||
         Token::Match(tok, "%name% %op%|(|[|.|::|<|?|;") ||
         (cpp && Token::Match(tok, "%name% {") && iscpp11init(tok->next())) ||
-        Token::Match(tok->previous(), "[;{}] %cop%|++|--|( !!{") ||
+        Token::Match(tok->previous(), "[;{}:] %cop%|++|--|( !!{") ||
         Token::Match(tok->previous(), "[;{}] %num%|%str%|%char%") ||
         Token::Match(tok->previous(), "[;{}] delete new") ||
         (cpp && Token::Match(tok->previous(), "[;{}] ["))) {

test/testtokenize.cpp

@@ -469,6 +469,8 @@ class TestTokenizer : public TestFixture {
         TEST_CASE(funcnameInParenthesis3); // #13585
 
         TEST_CASE(genericInIf); // #13561
+
+        TEST_CASE(preincrementInLambda); // #13312
     }
 
 #define tokenizeAndStringify(...) tokenizeAndStringify_(__FILE__, __LINE__, __VA_ARGS__)
@@ -8416,6 +8418,19 @@ class TestTokenizer : public TestFixture {
         const char ast[] = "(( if (( _Generic (, (, (, (, s 1) (? a (: (, b c) d))) 3) 0)))";
         ASSERT_EQUALS(ast, testAst(code, AstStyle::Z3));
     }
+
+    void preincrementInLambda() { // #13312
+        const char code[] =
+            "void f(const std::vector<int>& v, int a) {\n"
+            "    std::for_each(v.begin(), v.end(), [&](int i)  {\n"
+            "        switch (i) {\n"
+            "        default:\n"
+            "            ++a;\n"
+            "        }\n"
+            "    });\n"
+            "}\n";
+        ASSERT_NO_THROW(tokenizeAndStringify(code));
+    }
 };
 
 REGISTER_TEST(TestTokenizer)