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[REG2.063a] Issue 10047 - opDispatch instantiation failure should be gagged for UFCS #1981

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merged 1 commit into from May 14, 2013
Merged

[REG2.063a] Issue 10047 - opDispatch instantiation failure should be gagged for UFCS #1981

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7 changes: 6 additions & 1 deletion src/mtype.c
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Expand Up @@ -2044,7 +2044,12 @@ Expression *Type::noMember(Scope *sc, Expression *e, Identifier *ident, int flag
tiargs->push(se);
DotTemplateInstanceExp *dti = new DotTemplateInstanceExp(e->loc, e, Id::opDispatch, tiargs);
dti->ti->tempdecl = td;
return dti->semanticY(sc, flag);

unsigned errors = flag ? global.startGagging() : 0;
Expression *e = dti->semanticY(sc, 0);
if (flag && global.endGagging(errors))
e = NULL;
return e;
}

/* See if we should forward to the alias this.
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21 changes: 21 additions & 0 deletions test/runnable/ufcs.d
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Expand Up @@ -704,6 +704,26 @@ void test10041()
assert(writeln10041(aa) == "int[int]");
}

/*******************************************/
// 10047

struct Typedef10047(T)
{
template opDispatch(string name)
{
static assert(0);
}
}

struct A10047 {}
int foo10047(Typedef10047!A10047 a) { return 10; }

void test10047()
{
Typedef10047!A10047 a;
assert(a.foo10047() == 10);
}

/*******************************************/

int main()
Expand All @@ -730,6 +750,7 @@ int main()
test9946();
test10003();
test10041();
test10047();

printf("Success\n");
return 0;
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