Fix Issue 20656 - cannot compile live function without -preview=dip1021

dlang · Mar 9, 2020 · bc770aa · bc770aa
1 parent d7b0cc5
commit bc770aa
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/src/dmd/semantic3.d b/src/dmd/semantic3.d
@@ -1336,7 +1336,8 @@ private extern(C++) final class Semantic3Visitor : Visitor
         }
 
         // Do live analysis
-        if (funcdecl.fbody && funcdecl.type.ty != Terror && funcdecl.type.isTypeFunction().islive)
+        if (global.params.useDIP1021 && funcdecl.fbody && funcdecl.type.ty != Terror &&
+            funcdecl.type.isTypeFunction().islive)
         {
             oblive(funcdecl);
         }

diff --git a/test/compilable/test20656.d b/test/compilable/test20656.d
@@ -0,0 +1,11 @@
+// https://issues.dlang.org/show_bug.cgi?id=20656
+
+import core.stdc.stdlib : free, malloc;
+
+@live
+void main()
+{
+    auto p = malloc(1);
+    free(p);
+    free(p);
+}