[lldb] Skip variant/optional libc++ tests for Clang 5/6

Clang 5 and Clang 6 can no longer parse newer versions of libc++. As we can't
specify the specific libc++ version in the decorator, let's only allow Clang
versions that can parse all currently available libc++ versions.

diff --git a/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/optional/TestDataFormatterLibcxxOptional.py b/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/optional/TestDataFormatterLibcxxOptional.py
index f013d02..27c8d7f 100644 (file)
--- a/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/optional/TestDataFormatterLibcxxOptional.py
+++ b/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/optional/TestDataFormatterLibcxxOptional.py
@@ -15,8 +15,9 @@ class LibcxxOptionalDataFormatterTestCase(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
     @add_test_categories(["libc++"])
-    ## We are skipping clang version less that 5.0 since this test requires -std=c++17
-    @skipIf(oslist=no_match(["macosx"]), compiler="clang", compiler_version=['<', '5.0'])
+    ## Clang 7.0 is the oldest Clang that can reliably parse newer libc++ versions
+    ## with -std=c++17.
+    @skipIf(oslist=no_match(["macosx"]), compiler="clang", compiler_version=['<', '7.0'])
     ## We are skipping gcc version less that 5.1 since this test requires -std=c++17
     @skipIf(compiler="gcc", compiler_version=['<', '5.1'])
 

diff --git a/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/variant/TestDataFormatterLibcxxVariant.py b/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/variant/TestDataFormatterLibcxxVariant.py
index cea4fd6..181dca7 100644 (file)
--- a/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/variant/TestDataFormatterLibcxxVariant.py
+++ b/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/variant/TestDataFormatterLibcxxVariant.py
@@ -14,8 +14,9 @@ class LibcxxVariantDataFormatterTestCase(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
     @add_test_categories(["libc++"])
-    ## We are skipping clang version less that 5.0 since this test requires -std=c++17
-    @skipIf(oslist=no_match(["macosx"]), compiler="clang", compiler_version=['<', '5.0'])
+    ## Clang 7.0 is the oldest Clang that can reliably parse newer libc++ versions
+    ## with -std=c++17.
+    @skipIf(oslist=no_match(["macosx"]), compiler="clang", compiler_version=['<', '7.0'])
     ## We are skipping gcc version less that 5.1 since this test requires -std=c++17
     @skipIf(compiler="gcc", compiler_version=['<', '5.1'])
     ## std::get is unavailable for std::variant before macOS 10.14