[libcxx-commits] [libcxx] [libcxx] Enable '-fdelayed-template-parsing' for clang-cl libcxx tests (PR #70092)

[via libcxx-commits]

https://github.com/zeroomega created https://github.com/llvm/llvm-project/pull/70092

This patch enables '-fdelayed-template-parsing' in clang-cl based libcxx
tests. This flag was disabled by default in PR#69431, which causes this
test to fail.


>From 104be850b398934fa88c5cf6a9be336fe0bebfcd Mon Sep 17 00:00:00 2001
From: Haowei Wu <haowei at google.com>
Date: Tue, 24 Oct 2023 11:58:33 -0700
Subject: [PATCH] [libcxx] Enable '-fdelayed-template-parsing' for clang-cl
 libcxx tests

This patch enables '-fdelayed-template-parsing' in clang-cl based libcxx
tests. This flag was disabled by default in PR#69431, which causes this
test to fail.
---
 libcxx/test/configs/llvm-libc++-static-clangcl.cfg.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libcxx/test/configs/llvm-libc++-static-clangcl.cfg.in b/libcxx/test/configs/llvm-libc++-static-clangcl.cfg.in
index 4baaad765a92d38..be8164b53d7457b 100644
--- a/libcxx/test/configs/llvm-libc++-static-clangcl.cfg.in
+++ b/libcxx/test/configs/llvm-libc++-static-clangcl.cfg.in
@@ -4,8 +4,10 @@
 lit_config.load_config(config, '@CMAKE_CURRENT_BINARY_DIR@/cmake-bridge.cfg')
 
 config.substitutions.append(('%{flags}', '--driver-mode=g++'))
+# clang-cl by default disabled '-fdelayed-template-parsing'. Explicitly enable
+# it here for tests.
 config.substitutions.append(('%{compile_flags}',
-    '-fms-runtime-lib=' + config.fms_runtime_lib + ' -nostdinc++ -I %{include} -I %{target-include} -I %{libcxx}/test/support -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_STDIO_ISO_WIDE_SPECIFIERS -DNOMINMAX' + config.dbg_include
+    '-fms-runtime-lib=' + config.fms_runtime_lib + '-fdelayed-template-parsing' + ' -nostdinc++ -I %{include} -I %{target-include} -I %{libcxx}/test/support -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_STDIO_ISO_WIDE_SPECIFIERS -DNOMINMAX' + config.dbg_include
 ))
 config.substitutions.append(('%{link_flags}',
     '-nostdlib -L %{lib} -llibc++ -l' + config.cxx_lib