Merge pull request #3780 from 9rnsr/fix13141

[REG2.066a] Issue 13141 - array cast from string[] to immutable(char[][]) is not supported at compile time
dlang · Jul 17, 2014 · cad191c · cad191c
1 parent d486765
commit cad191c
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diff --git a/src/cast.c b/src/cast.c
@@ -749,6 +749,8 @@ MATCH implicitConvTo(Expression *e, Type *t)
             if (e->f && e->f->isolateReturn())
             {
                 result = e->type->immutableOf()->implicitConvTo(t);
+                if (result > MATCHconst)    // Match level is MATCHconst at best.
+                    result = MATCHconst;
                 return;
             }
 

diff --git a/test/compilable/interpret3.d b/test/compilable/interpret3.d
@@ -4259,6 +4259,28 @@ void ice10610()
    static assert (T10610.min.baz());
 }
 
+/**************************************************
+    13141 regression fix caused by 10610
+**************************************************/
+
+struct MapResult13141(alias pred)
+{
+    int[] range;
+    @property empty() { return range.length == 0; }
+    @property front() { return pred(range[0]); }
+    void popFront() { range = range[1..$]; }
+}
+
+string[] array13141(R)(R r)
+{
+    typeof(return) result;
+    foreach (e; r)
+        result ~= e;
+    return result;
+}
+
+//immutable string[] splitterNames = [4].map!(e => "4").array();
+immutable string[] splitterNames13141 = MapResult13141!(e => "4")([4]).array13141();
 
 /**************************************************
     11587 AA compare