[PATCH] d-demangle: properly skip anonymous symbols

libiberty/
	PR d/102618
	* d-demangle.c (dlang_parse_qualified): Handle anonymous
	symbols correctly.

	* testsuite/d-demangle-expected: New tests to cover anonymous
	symbols.

libiberty/d-demangle.c

@@ -1650,13 +1650,19 @@ dlang_parse_qualified (string *decl, const char *mangled,
   size_t n = 0;
   do
     {
+      /* Skip over anonymous symbols.  */
+      if (*mangled == '0')
+      {
+	do
+	  mangled++;
+	while (*mangled == '0');
+
+	continue;
+      }
+
       if (n++)
 	string_append (decl, ".");
 
-      /* Skip over anonymous symbols.  */
-      while (*mangled == '0')
-	mangled++;
-
       mangled = dlang_identifier (decl, mangled, info);
 
       /* Consume the encoded arguments.  However if this is not followed by the

libiberty/testsuite/d-demangle-expected

@@ -1462,3 +1462,11 @@ mod.func().nested!(int).nested()
 --format=dlang
 _D6mangle__T8fun21753VSQv6S21753S1f_DQBj10__lambda71MFNaNbNiNfZvZQCbQp
 mangle.fun21753!(mangle.S21753(mangle.__lambda71())).fun21753
+#
+--format=dlang
+_D8demangle9anonymous0Z
+demangle.anonymous
+#
+--format=dlang
+_D8demangle9anonymous03fooZ
+demangle.anonymous.foo