From 21e497fe6323b84e34c925e740f242edd6821c40 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 29 Jul 2020 13:02:21 -0400
Subject: Clang: Fix fallback compile features when simulating old MSVC
 versions

Refactoring in commit 25439c7d62 (Clang: Refactor CXX standard flags
into __compiler_clang_cxx_standards(), 2020-03-16, v3.18.0-rc1~362^2~4)
accidentally broke the `cxx_std_*` fallback feature names.

Issue: #21033
---
 Modules/Compiler/Clang.cmake | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Modules/Compiler/Clang.cmake b/Modules/Compiler/Clang.cmake
index bb516d3..52d5350 100644
--- a/Modules/Compiler/Clang.cmake
+++ b/Modules/Compiler/Clang.cmake
@@ -222,11 +222,11 @@ macro(__compiler_clang_cxx_standards lang)
     # can be attempted.
     macro(cmake_record_${lang}_compile_features)
       list(APPEND CMAKE_${lang}_COMPILE_FEATURES
-        ${lang}_std_98
-        ${lang}_std_11
-        ${lang}_std_14
-        ${lang}_std_17
-        ${lang}_std_20
+        cxx_std_98
+        cxx_std_11
+        cxx_std_14
+        cxx_std_17
+        cxx_std_20
         )
       _record_compiler_features(${lang} "" CMAKE_${lang}_COMPILE_FEATURES)
     endmacro()
-- 
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