[compiler-rt] [asan][windows] When compiling with clang-cl or MSVC pass /Zl (that's a little L) (PR #85874)

[Charlie Barto via llvm-commits]

https://github.com/barcharcraz updated https://github.com/llvm/llvm-project/pull/85874

>From 281b8c5817c3952ac84b42147c2a31c9a5ad03b4 Mon Sep 17 00:00:00 2001
From: Charlie Barto <chbarto at microsoft.com>
Date: Mon, 12 Feb 2024 17:55:10 -0800
Subject: [PATCH] When compiling with clang-cl or MSVC pass /Zl (that's a
 little L)

/Zl is the equivalent of -nodefaultlibs.

Co-authored-by: Amy Wishnousky <amyw at microsoft.com>
---
 compiler-rt/lib/asan/CMakeLists.txt             | 3 +++
 compiler-rt/lib/sanitizer_common/CMakeLists.txt | 2 ++
 compiler-rt/lib/ubsan/CMakeLists.txt            | 1 +
 3 files changed, 6 insertions(+)

diff --git a/compiler-rt/lib/asan/CMakeLists.txt b/compiler-rt/lib/asan/CMakeLists.txt
index f83ae82d42935a..601750f72175d6 100644
--- a/compiler-rt/lib/asan/CMakeLists.txt
+++ b/compiler-rt/lib/asan/CMakeLists.txt
@@ -85,6 +85,9 @@ SET(ASAN_HEADERS
 include_directories(..)
 
 set(ASAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
+
+append_list_if(MSVC /Zl ASAN_CFLAGS)
+
 set(ASAN_COMMON_DEFINITIONS ${COMPILER_RT_ASAN_SHADOW_SCALE_DEFINITION})
 
 append_rtti_flag(OFF ASAN_CFLAGS)
diff --git a/compiler-rt/lib/sanitizer_common/CMakeLists.txt b/compiler-rt/lib/sanitizer_common/CMakeLists.txt
index f762524c333acf..f2b4ac72ae1573 100644
--- a/compiler-rt/lib/sanitizer_common/CMakeLists.txt
+++ b/compiler-rt/lib/sanitizer_common/CMakeLists.txt
@@ -218,6 +218,8 @@ include_directories(..)
 set(SANITIZER_COMMON_DEFINITIONS
   HAVE_RPC_XDR_H=${HAVE_RPC_XDR_H})
 
+# note: L not I, this is nodefaultlibs for msvc
+append_list_if(MSVC /Zl SANITIZER_COMMON_CFLAGS)
 set(SANITIZER_CFLAGS ${SANITIZER_COMMON_CFLAGS})
 
 # Too many existing bugs, needs cleanup.
diff --git a/compiler-rt/lib/ubsan/CMakeLists.txt b/compiler-rt/lib/ubsan/CMakeLists.txt
index 3f1e12ed9ac66f..db0b33f1276ef2 100644
--- a/compiler-rt/lib/ubsan/CMakeLists.txt
+++ b/compiler-rt/lib/ubsan/CMakeLists.txt
@@ -41,6 +41,7 @@ set(UBSAN_HEADERS
 include_directories(..)
 
 set(UBSAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
+append_list_if(MSVC /Zl UBSAN_CFLAGS)
 append_rtti_flag(OFF UBSAN_CFLAGS)
 append_list_if(SANITIZER_CAN_USE_CXXABI -DUBSAN_CAN_USE_CXXABI UBSAN_CFLAGS)