This code worked on 1.053, fails to compile on 1.054, and on D2.
I suspect this was caused by the fix to bug 3611.
-----
FwdEnum this_fails;
enum :int
{
E1 = 2
}
enum FwdEnum: int
{
E2 = E1
}
-----
bug.d(10): Error: undefined identifier E1
Comment #1 by clugdbug — 2010-01-19T21:43:23Z
The regression is caused by this addition to Type *TypeEnum::toBasetype().
Knowing this doesn't necessarily help in fixing the problem, though.
Type *TypeEnum::toBasetype()
{
+ if (sym->scope)
+ {
+ sym->semantic(NULL); // attempt to resolve forward reference
+ }
Comment #2 by clugdbug — 2010-01-20T11:31:37Z
I've fixed this by changing the code in mtype.c, line 5984:
Type *TypeEnum::toBasetype()
{
if (sym->scope)
{
- sym->semantic(NULL); // attempt to resolve forward reference
+ sym->trySemantic(NULL); // attempt to resolve forward reference
}
and adding this code to enum.c:
void EnumDeclaration::trySemantic(Scope *sc)
{
unsigned errors = global.errors;
global.gag++;
DsymbolTable *savetable = symtab;
semantic(sc);
global.gag--;
if (errors != global.errors)
{
global.errors = errors;
symtab = savetable;
}
}