1 files changed, 24 insertions, 0 deletions

diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/1904.toml b/gitlab/issues/target_missing/host_missing/accel_missing/1904.toml
new file mode 100644
index 00000000..33b84836
--- /dev/null
+++ b/gitlab/issues/target_missing/host_missing/accel_missing/1904.toml
@@ -0,0 +1,24 @@
+id = 1904
+title = "Windows LTO build fails"
+state = "closed"
+created_at = "2023-09-23T07:33:54.701Z"
+closed_at = "2023-10-06T13:29:58.398Z"
+labels = ["hostos: Windows"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/1904"
+host-os = "Windows 11 Version 10.0.22621"
+host-arch = "amd64 ucrt64"
+qemu-version = "current master as of writing b55e4b9c0525560577384adfc6d30eb0daa8d7be"
+guest-os = "n/a"
+guest-arch = "n/a"
+description = """LTO likes to delete `win32_close_exception_handler` which causes an error when linking
+```
+[2736/5786] Linking target qemu-system-avr.exe
+FAILED: qemu-system-avr.exe
+"cc" "-m64" "-mcx16" @qemu-system-avr.exe.rsp
+`win32_close_exception_handler' referenced in section `.xdata' of C:\\msys64\\tmp\\cceRwR4N.ltrans59.ltrans.o: defined in discarded section `.text' of libqemuutil.a.p/util_oslib-win32.c.obj (symbol from plugin)
+collect2.exe: error: ld returned 1 exit status
+```"""
+reproduce = """1. `./configure --enable-lto`
+2. `make`"""
+additional = """Looks like the offending commit is d89f30b4df13dfe389a4d6cf8a30b2f87c4c166e "win32: wrap socket close() with an exception handler".
+Undoing the commit or marking the exception handler as `__attribute__ ((noinline, used))` both appear to fix the issue."""