Vendor import of clang trunk r238337:

https://llvm.org/svn/llvm-project/cfe/trunk@238337

1 files changed, 43 insertions, 0 deletions

diff --git a/test/SemaCXX/err_reference_bind_drops_quals.cpp b/test/SemaCXX/err_reference_bind_drops_quals.cpp
new file mode 100644
index 0000000..afdd832
--- /dev/null
+++ b/test/SemaCXX/err_reference_bind_drops_quals.cpp
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+#define restrict __restrict__
+typedef int* ptr;
+void test1(ptr p, const ptr cp, restrict ptr rp, const restrict ptr crp,
+           volatile ptr vp, const volatile ptr cvp, restrict volatile ptr rvp,
+           const restrict volatile ptr crvp) {
+  ptr& p1 = p;
+  ptr& p2 = cp; // expected-error {{drops 'const' qualifier}}
+  ptr& p3 = rp; // expected-error {{drops 'restrict' qualifier}}
+  ptr& p4 = crp; // expected-error {{drops 'const' and 'restrict' qualifiers}}
+  ptr& p5 = vp; // expected-error {{drops 'volatile' qualifier}}
+  ptr& p6 = cvp; // expected-error {{drops 'const' and 'volatile' qualifiers}}
+  ptr& p7 = rvp; // expected-error {{drops 'restrict' and 'volatile' qualifiers}}
+  ptr& p8 = crvp; // expected-error {{drops 'const', 'restrict', and 'volatile' qualifiers}}
+
+  const ptr& cp1 = p;
+  const ptr& cp2 = cp;
+  const ptr& cp3 = rp; // expected-error {{drops 'restrict' qualifier}}
+  const ptr& cp4 = crp; // expected-error {{drops 'restrict' qualifier}}
+  const ptr& cp5 = vp; // expected-error {{drops 'volatile' qualifier}}
+  const ptr& cp6 = cvp; // expected-error {{drops 'volatile' qualifier}}
+  const ptr& cp7 = rvp; // expected-error {{drops 'restrict' and 'volatile' qualifiers}}
+  const ptr& cp8 = crvp; // expected-error {{drops 'restrict' and 'volatile' qualifiers}}
+
+  const volatile ptr& cvp1 = p;
+  const volatile ptr& cvp2 = cp;
+  const volatile ptr& cvp3 = rp; // expected-error {{drops 'restrict' qualifier}}
+  const volatile ptr& cvp4 = crp; // expected-error {{drops 'restrict' qualifier}}
+  const volatile ptr& cvp5 = vp;
+  const volatile ptr& cvp6 = cvp;
+  const volatile ptr& cvp7 = rvp; // expected-error {{drops 'restrict' qualifier}}
+  const volatile ptr& cvp8 = crvp; // expected-error {{drops 'restrict' qualifier}}
+
+  const restrict volatile ptr& crvp1 = p;
+  const restrict volatile ptr& crvp2 = cp;
+  const restrict volatile ptr& crvp3 = rp;
+  const restrict volatile ptr& crvp4 = crp;
+  const restrict volatile ptr& crvp5 = vp;
+  const restrict volatile ptr& crvp6 = cvp;
+  const restrict volatile ptr& crvp7 = rvp;
+  const restrict volatile ptr& crvp8 = crvp;
+}