Fix #14468: Missing varid for nested struct members with designated initializers (#8466)

Author: ludviggunne

lib/tokenize.cpp

@@ -4496,6 +4496,10 @@ static void setVarIdStructMembers(Token *&tok1,
                     tok->varId(it->second);
                 }
             }
+            if (Token::Match(tok, "%name% = { . %name% =|{")) {
+                setVarIdStructMembers(tok, structMembers, varId);
+                tok = tok->linkAt(2);
+            }
             tok = tok->next();
         }
 

test/testvarid.cpp

@@ -4500,7 +4500,7 @@ class TestVarID : public TestFixture {
                           "2: struct T { struct S s ; } ;\n"
                           "3: struct U { struct T t ; } ;\n"
                           "4: void f ( ) {\n"
-                          "5: struct U u@4 ; u@4 = { .@UNIQUE t@5 = { . s = { . s = 1 } } } ;\n"
+                          "5: struct U u@4 ; u@4 = { .@UNIQUE t@5 = { .@UNIQUE s@6 = { .@UNIQUE s@7 = 1 } } } ;\n"
                           "6: }\n";
         ASSERT_EQUALS(exp, tokenizeExpr(code));
     }