diff --git a/llvm/test/ExecutionEngine/lit.local.cfg b/llvm/test/ExecutionEngine/lit.local.cfg
--- a/llvm/test/ExecutionEngine/lit.local.cfg
+++ b/llvm/test/ExecutionEngine/lit.local.cfg
@@ -1,6 +1,12 @@
 if config.root.native_target in ['Sparc', 'PowerPC', 'SystemZ', 'Hexagon', 'RISCV']:
     config.unsupported = True
 
+# FIXME: Most tests fail for MinGW targets with Orc, where they do succeed
+# with the MCJIT backend; they fail with undefined references to the "__main"
+# symbol.
+if 'windows-gnu' in config.host_triple:
+    config.unsupported = True
+
 # ExecutionEngine tests are not expected to pass in a cross-compilation setup.
 if 'native' not in config.available_features:
     config.unsupported = True