remove unsafe use of .ptr in std.exception

WalterBright · WalterBright · commit 5f2178c0ef90 · 2016-07-24T13:27:05.000-07:00
diff --git a/std/exception.d b/std/exception.d
@@ -396,7 +396,7 @@ private void bailOut(E : Throwable = Exception)(string file, size_t line, in cha
 {
     static if (is(typeof(new E(string.init, string.init, size_t.init))))
     {
-        throw new E(msg.ptr ? msg.idup : "Enforcement failed", file, line);
+        throw new E(msg ? msg.idup : "Enforcement failed", file, line);
     }
     else static if (is(typeof(new E(string.init, size_t.init))))
     {

Original file line number	Diff line number	Diff line change
`@@ -396,7 +396,7 @@ private void bailOut(E : Throwable = Exception)(string file, size_t line, in cha`
`396`	`396`	`{`
`397`	`397`	`static if (is(typeof(new E(string.init, string.init, size_t.init))))`
`398`	`398`	`{`
`399`		`- throw new E(msg.ptr ? msg.idup : "Enforcement failed", file, line);`
	`399`	`+ throw new E(msg ? msg.idup : "Enforcement failed", file, line);`
`400`	`400`	`}`
`401`	`401`	`else static if (is(typeof(new E(string.init, size_t.init))))`
`402`	`402`	`{`