[libc++] Mark a few more tests as unsupported on gcc-8/9.

This will fix remaining failures on gcc-9 buildbot: http://lab.llvm.org:8011/#/builders/101.
gcc-8 and gcc-9 do not support constexpr destructors nor constexpr allocation.

Fix gcc warnings: -Wconversion, -Wpragmas.

diff --git a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.pass.cpp b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.pass.cpp
index ab354f4..e422778 100644 (file)
--- a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.pass.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: gcc-8, gcc-9
+
 // <memory>
 
 // template <class Alloc>

diff --git a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate_hint.pass.cpp b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate_hint.pass.cpp
index 5cdb5e0..0960285 100644 (file)
--- a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate_hint.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate_hint.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: clang-8
+// UNSUPPORTED: gcc-8, gcc-9
 
 // <memory>
 

diff --git a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/construct.pass.cpp b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/construct.pass.cpp
index a3465ff..6015a61 100644 (file)
--- a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/construct.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/construct.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: clang-8
+// UNSUPPORTED: gcc-8, gcc-9
 
 // <memory>
 

diff --git a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/deallocate.pass.cpp b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/deallocate.pass.cpp
index 2f153ee..a233459 100644 (file)
--- a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/deallocate.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/deallocate.pass.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: gcc-8, gcc-9
+
 // <memory>
 
 // template <class Alloc>

diff --git a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/destroy.pass.cpp b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/destroy.pass.cpp
index 6d7b0bd..e85813b 100644 (file)
--- a/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/destroy.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/destroy.pass.cpp
@@ -7,6 +7,8 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: clang-8
+// constexpr destructors are only supported starting with gcc 10
+// UNSUPPORTED: gcc-8, gcc-9
 
 // <memory>
 

diff --git a/libcxx/test/std/utilities/memory/default.allocator/allocator.members/allocate.pass.cpp b/libcxx/test/std/utilities/memory/default.allocator/allocator.members/allocate.pass.cpp
index a528bf2..2f6bd0a 100644 (file)
--- a/libcxx/test/std/utilities/memory/default.allocator/allocator.members/allocate.pass.cpp
+++ b/libcxx/test/std/utilities/memory/default.allocator/allocator.members/allocate.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: clang-8
+// UNSUPPORTED: gcc-8, gcc-9
 
 // <memory>
 

diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp
index bac1da6..d9998c7 100644 (file)
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp
@@ -9,6 +9,8 @@
 // UNSUPPORTED: c++03, c++11, c++14
 // constexpr destructors are only supported starting with clang 10
 // UNSUPPORTED: clang-5, clang-6, clang-7, clang-8, clang-9
+// constexpr destructors are only supported starting with gcc 10
+// UNSUPPORTED: gcc-8, gcc-9
 
 // <memory>
 

diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp
index e15bf75..50c43a1 100644 (file)
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp
@@ -9,6 +9,8 @@
 // UNSUPPORTED: c++03, c++11, c++14
 // constexpr destructors are only supported starting with clang 10
 // UNSUPPORTED: clang-5, clang-6, clang-7, clang-8, clang-9
+// constexpr destructors are only supported starting with gcc 10
+// UNSUPPORTED: gcc-8, gcc-9
 
 // <memory>
 

diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp
index 33dd191..54b1633 100644 (file)
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp
@@ -9,6 +9,8 @@
 // UNSUPPORTED: c++03, c++11, c++14
 // constexpr destructors are only supported starting with clang 10
 // UNSUPPORTED: clang-5, clang-6, clang-7, clang-8, clang-9
+// constexpr destructors are only supported starting with gcc 10
+// UNSUPPORTED: gcc-8, gcc-9
 
 // <memory>
 

diff --git a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/result_of11.pass.cpp b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/result_of11.pass.cpp
index c9123fe..844e11e 100644 (file)
--- a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/result_of11.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/result_of11.pass.cpp
@@ -19,7 +19,7 @@
 
 // Ignore warnings about volatile in parameters being deprecated.
 // We know it is, but we still have to test it.
-#if defined(__GNUC__) && !defined(__clang__)
+#if defined(__GNUC__) && (__GNUC__ >= 10) && !defined(__clang__)
 #   pragma GCC diagnostic ignored "-Wvolatile"
 #endif
 

diff --git a/libcxxabi/src/demangle/Utility.h b/libcxxabi/src/demangle/Utility.h
index 04e1936..846a5f0 100644 (file)
--- a/libcxxabi/src/demangle/Utility.h
+++ b/libcxxabi/src/demangle/Utility.h
@@ -52,7 +52,7 @@ class OutputStream {
     char *TempPtr = std::end(Temp);
 
     while (N) {
-      *--TempPtr = '0' + char(N % 10);
+      *--TempPtr = char('0' + N % 10);
       N /= 10;
     }