fix Issue 12203 - typeof(null) does not convert to "void delegate(flo…

…at)"
dlang · Feb 20, 2014 · 1c50c4f · 1c50c4f
1 parent 544577d
commit 1c50c4f
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diff --git a/src/e2ir.c b/src/e2ir.c
@@ -4223,6 +4223,7 @@ elem *toElem(Expression *e, IRState *irs)
 
                 case X(Tnull, Tarray):
                 case X(Tnull, Taarray):
+                case X(Tnull, Tdelegate):
                     goto Lzero;
 
                 /* ============================= */

diff --git a/test/runnable/nulltype.d b/test/runnable/nulltype.d
@@ -153,6 +153,21 @@ void test9385()
     assert(!null);
 }
 
+/**********************************************/
+// 12203
+
+void test12203()
+{
+    typeof(null) v;
+    void foo(float) {}
+    void delegate(float) dg = &foo;
+    assert(dg !is null);
+
+    dg = v; // Error: e2ir: cannot cast v of type typeof(null) to type void delegate(float)
+
+    assert(dg  is null);
+}
+
 /**********************************************/
 
 int main()
@@ -163,6 +178,7 @@ int main()
     test8221();
     test8589();
     test9385();
+    test12203();
 
     printf("Success\n");
     return 0;