From 0b296aefc0ce1dad3abd0351768c8edfebfc43a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Mon, 10 Feb 2025 23:52:40 +0200
Subject: [PATCH] run-tests: Skip asan tests on msvcrt

Asan doesn't really run properly on msvcrt.dll; skip testing it
in that configuration.

See discussion on https://github.com/llvm/llvm-project/pull/120397
and https://github.com/mstorsjo/llvm-mingw/issues/224 for context
around this.
---
 run-tests.sh | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/run-tests.sh b/run-tests.sh
index 598eefa..cf08571 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -52,7 +52,9 @@ cat<<EOF > is-ucrt.c
 #endif
 EOF
 ANY_ARCH=$(echo $ARCHS | awk '{print $1}')
-if ! $ANY_ARCH-w64-mingw32-gcc$TOOLEXT -E is-ucrt.c > /dev/null 2>&1; then
+if $ANY_ARCH-w64-mingw32-gcc$TOOLEXT -E is-ucrt.c > /dev/null 2>&1; then
+    IS_UCRT=1
+else
     # If the default CRT isn't UCRT, we can't build for mingw32uwp.
     unset HAVE_UWP
 fi
@@ -94,30 +96,33 @@ fi
 
 
 for arch in $ARCHS; do
+    unset HAVE_ASAN
     case $arch in
     i686)
         RUN="$RUN_I686"
         COPY="$COPY_I686"
         NATIVE="$NATIVE_X86"
-        HAVE_ASAN=1
+        if [ -n "$IS_UCRT" ]; then
+            HAVE_ASAN=1
+        fi
         ;;
     x86_64)
         RUN="$RUN_X86_64"
         COPY="$COPY_X86_64"
         NATIVE="$NATIVE_X86"
-        HAVE_ASAN=1
+        if [ -n "$IS_UCRT" ]; then
+            HAVE_ASAN=1
+        fi
         ;;
     armv7)
         RUN="$RUN_ARMV7"
         COPY="$COPY_ARMV7"
         NATIVE="$NATIVE_ARMV7"
-        unset HAVE_ASAN
         ;;
     aarch64)
         RUN="$RUN_AARCH64"
         COPY="$COPY_AARCH64"
         NATIVE="$NATIVE_AARCH64"
-        unset HAVE_ASAN
         ;;
     esac