When adding built-in operator candidates for overload resolution

involving 'restrict', place restrict on the pointer type rather than
on the pointee type. Also make sure that we gather restrict from the
pointer type. Fixes PR12854 and the major part of PR11093.

llvm-svn: 157910

1 files changed, 19 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/overloaded-builtin-operators.cpp b/clang/test/SemaCXX/overloaded-builtin-operators.cpp
index b3c08085a69..6de4f64030a 100644
--- a/clang/test/SemaCXX/overloaded-builtin-operators.cpp
+++ b/clang/test/SemaCXX/overloaded-builtin-operators.cpp
@@ -237,3 +237,22 @@ namespace PR7851 {
     (void)(x - x);
   }
 }
+
+namespace PR12854 {
+  enum { size = 1 };
+  void plus_equals() {
+    int* __restrict py;
+    py += size;
+  }
+
+  struct RestrictInt {
+    operator int* __restrict &();
+  };
+
+  void user_conversions(RestrictInt ri) {
+    ++ri;
+    --ri;
+    ri++;
+    ri--;
+  }
+}