more fixes

src-self-hosted/translate_c.zig

@@ -811,7 +811,7 @@ fn transRecordDecl(c: *Context, record_decl: *const ZigClangRecordDecl) Error!?*
 
             var is_anon = false;
             var raw_name = try c.str(ZigClangNamedDecl_getName_bytes_begin(@ptrCast(*const ZigClangNamedDecl, field_decl)));
-            if (ZigClangFieldDecl_isAnonymousStructOrUnion(field_decl) or (std.Target.current.abi == .msvc and raw_name.len == 0)) {
+            if (ZigClangFieldDecl_isAnonymousStructOrUnion(field_decl) or raw_name.len == 0) {
                 raw_name = try std.fmt.allocPrint(c.a(), "unnamed_{}", .{c.getMangle()});
                 is_anon = true;
             }

test/translate_c.zig

@@ -2853,4 +2853,28 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
     , &[_][]const u8{
         \\pub const FOO = 0x61626364;
     });
+
+    if (std.Target.current.abi == .msvc) {
+        cases.add("nameless struct fields on msvc",
+            \\typedef struct NAMED
+            \\{
+            \\    long name;
+            \\} NAMED;
+            \\
+            \\typedef struct ONENAMEWITHSTRUCT
+            \\{
+            \\    NAMED;
+            \\    long b;
+            \\} ONENAMEWITHSTRUCT;
+        , &[_][]const u8{
+            \\pub const struct_NAMED = extern struct {
+            \\    name: c_long,
+            \\};
+            \\pub const NAMED = struct_NAMED;
+            \\pub const struct_ONENAMEWITHSTRUCT = extern struct {
+            \\    unnamed_1: struct_NAMED,
+            \\    b: c_long,
+            \\};
+        });
+    }
 }