Merge pull request #2682 from 9rnsr/fix11238

[REG2.063] Issue 11238 - Codegen error when this is a ref parameter to the method
dlang · Oct 20, 2013 · f2c996a · f2c996a
1 parent d32f639
commit f2c996a
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diff --git a/src/e2ir.c b/src/e2ir.c
@@ -2761,6 +2761,7 @@ elem *AssignExp::toElem(IRState *irs)
          */
         if (are->lwr == NULL && ta->ty == Tsarray &&
             e2->op == TOKarrayliteral &&
+            op == TOKconstruct &&   // Bugzilla 11238: avoid aliasing issue
             t2->nextOf()->mutableOf()->implicitConvTo(ta->nextOf()))
         {
             ArrayLiteralExp *ae = (ArrayLiteralExp *)e2;

diff --git a/test/runnable/xtest46.d b/test/runnable/xtest46.d
@@ -3434,6 +3434,25 @@ void test2356()
     bar() = [];
 }
 
+/***************************************************/
+// 11238
+
+void test11238()
+{
+    int[2] m;
+    m[0] = 4,m[1] = 6;
+    //printf("%d,%d\n", m[0], m[1]);
+    assert(m[0] == 4 && m[1] == 6);
+
+    m = [m[1], m[0]];   // swap
+    assert(m[0] == 6 && m[1] == 4);
+    //printf("%d,%d\n", m[0], m[1]);
+
+    m = [m[1], m[0]];   // swap
+    //printf("%d,%d\n", m[0], m[1]);
+    assert(m[0] == 4 && m[1] == 6);
+}
+
 /***************************************************/
 
 class A2540
@@ -6859,6 +6878,7 @@ int main()
     test148();
     test149();
     test2356();
+    test11238();
     test2540();
     test150();
     test151();