[PATCH] D46593: Allow copy elision in path concatenation

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 created this revision.
xbolva00 added a reviewer: EricWF.
Herald added a subscriber: llvm-commits.

Just port of libstdc++'s fix to libc++ fs: https://github.com/gcc-mirror/gcc/commit/e6ac4004fe49d785c63bf87aec4b095b5ce1d19f

Author of fix: Jonathan Wakely


Repository:
  rL LLVM

https://reviews.llvm.org/D46593

Files:
  filesystem


Index: filesystem
===================================================================
--- filesystem
+++ filesystem
@@ -1140,7 +1140,9 @@
 
 inline _LIBCPP_INLINE_VISIBILITY
 path operator/(const path& __lhs, const path& __rhs) {
-    return path(__lhs) /= __rhs;
+    path __result(__lhs);
+    __result /= __rhs;
+    return __result;
 }
 
 template <class _Source>


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