From 292907f90d39211bcf41d6511baf051013fa11e9 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 5 Nov 2019 08:55:10 +0200
Subject: Disable C++ modules tests for Clang 9

See the following post for details:

http://lists.llvm.org/pipermail/cfe-dev/2019-October/063637.html
---
 tests/cc/modules/common.testscript | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'tests/cc')

diff --git a/tests/cc/modules/common.testscript b/tests/cc/modules/common.testscript
index 97c5a2b..6eb8853 100644
--- a/tests/cc/modules/common.testscript
+++ b/tests/cc/modules/common.testscript
@@ -28,6 +28,14 @@ using cxx
 if ($cxx.id == 'msvc' && $cxx.version.major == 19 && $cxx.version.minor < 12)
   cxx.features.modules = false
 
+# In Clang 9 modules are enabled by default in the c++2a mode and there is
+# no way to disable them. See the following post for details:
+#
+# http://lists.llvm.org/pipermail/cfe-dev/2019-October/063637.html
+#
+if ($cxx.id == 'clang' && $cxx.version.major >= 9)
+  cxx.features.modules = false
+
 hxx{*}: extension = hxx
 mxx{*}: extension = mxx
 cxx{*}: extension = cxx
-- 
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