Add test for 14444

Author: ludviggunne

test/testtokenize.cpp

@@ -423,6 +423,7 @@ class TestTokenizer : public TestFixture {
         TEST_CASE(astdesignatedinit);
         TEST_CASE(astrvaluedecl);
         TEST_CASE(astorkeyword);
+        TEST_CASE(astenumdecl);
 
         TEST_CASE(startOfExecutableScope);
 
@@ -7389,6 +7390,11 @@ class TestTokenizer : public TestFixture {
         ASSERT_EQUALS("ifsp.\"\"==sp.0==||(", testAst("void f() { if (s.p == \"\" or s.p == 0) {} }"));
     }
 
+    void astenumdecl() {
+        ASSERT_EQUALS("A0U=", testAst("enum class myclass : unsigned char { A = 0U, };"));
+        ASSERT_EQUALS("A0U=", testAst("enum myclass : unsigned char { A = 0U, };"));
+    }
+
 #define isStartOfExecutableScope(offset, code) isStartOfExecutableScope_(offset, code, __FILE__, __LINE__)
     template<size_t size>
     bool isStartOfExecutableScope_(int offset, const char (&code)[size], const char* file, int line) {