[Issue 3781] ICE(interpret.c): mixin non-CTFE function

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3781


Don <clugdbug at yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-invalid-code, patch
                 CC|                            |clugdbug at yahoo.com.au
            Version|unspecified                 |1.055
           Severity|normal                      |regression


--- Comment #1 from Don <clugdbug at yahoo.com.au> 2010-02-09 00:25:05 PST ---
Reduced test case for test suite:
-----
void badvariadic(...) {}
static assert(!is(typeof(mixin(badvariadic()))));
---

PATCH: interpret.c line 118. The check for C-style variadics failed in the case
where there were no non-variadic parameters.

    TypeFunction *tf = (TypeFunction *)tb;
    Type *tret = tf->next->toBasetype();
-    if (tf->varargs && arguments && parameters && arguments->dim !=
parameters->dim)
+    if (tf->varargs && arguments && (parameters && arguments->dim !=
parameters->dim) || (!parameters && arguments->dim))
    {    cantInterpret = 1;
    error("C-style variadic functions are not yet implemented in CTFE");
    return NULL;
    }

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