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fix Issue 8179 - ICE(e2ir.c) with failed fixed size array cast #2638

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merged 1 commit into from
Oct 9, 2013
Merged

fix Issue 8179 - ICE(e2ir.c) with failed fixed size array cast #2638

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6 changes: 5 additions & 1 deletion src/cast.c
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Expand Up @@ -1207,7 +1207,7 @@ Expression *ComplexExp::castTo(Scope *sc, Type *t)

Expression *NullExp::castTo(Scope *sc, Type *t)
{
//printf("NullExp::castTo(t = %p)\n", t);
//printf("NullExp::castTo(t = %s) %s\n", t->toChars(), toChars());
if (type->equals(t))
{
committed = 1;
Expand Down Expand Up @@ -1250,6 +1250,10 @@ Expression *NullExp::castTo(Scope *sc, Type *t)
return e->Expression::castTo(sc, t);
}
#endif
if (tb->ty == Tsarray || tb->ty == Tstruct)
{
error("cannot cast null to %s", t->toChars());
}
e->type = t;
return e;
}
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11 changes: 11 additions & 0 deletions test/fail_compilation/fail8179.d
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@@ -0,0 +1,11 @@
/*
TEST_OUTPUT:
---
fail_compilation/fail8179.d(10): Error: cannot cast null to int[2]
---
*/
void main()
{
int[2] a;
a = cast(int[2])null;
}