3 files changed, 28 insertions, 0 deletions
diff --git a/src/test/codegen/force-unwind-tables.rs b/src/test/codegen/force-unwind-tables.rs
new file mode 100644
index 00000000000..fbaf38d69df
--- /dev/null
+++ b/src/test/codegen/force-unwind-tables.rs
@@ -0,0 +1,7 @@
+// min-llvm-version 8.0
+// compile-flags: -C no-prepopulate-passes -C force-unwind-tables=y
+
+#![crate_type="lib"]
+
+// CHECK: attributes #{{.*}} uwtable
+pub fn foo() {}
diff --git a/src/test/compile-fail/unwind-tables-panic-required.rs b/src/test/compile-fail/unwind-tables-panic-required.rs
new file mode 100644
index 00000000000..314d9e778d5
--- /dev/null
+++ b/src/test/compile-fail/unwind-tables-panic-required.rs
@@ -0,0 +1,10 @@
+// Tests that the compiler errors if the user tries to turn off unwind tables
+// when they are required.
+//
+// compile-flags: -C panic=unwind -C force-unwind-tables=no
+// ignore-tidy-linelength
+//
+// error-pattern: panic=unwind requires unwind tables, they cannot be disabled with `-C force-unwind-tables=no`.
+
+pub fn main() {
+}
diff --git a/src/test/compile-fail/unwind-tables-target-required.rs b/src/test/compile-fail/unwind-tables-target-required.rs
new file mode 100644
index 00000000000..14c17893764
--- /dev/null
+++ b/src/test/compile-fail/unwind-tables-target-required.rs
@@ -0,0 +1,11 @@
+// Tests that the compiler errors if the user tries to turn off unwind tables
+// when they are required.
+//
+// only-x86_64-windows-msvc
+// compile-flags: -C force-unwind-tables=no
+// ignore-tidy-linelength
+//
+// error-pattern: target requires unwind tables, they cannot be disabled with `-C force-unwind-tables=no`.
+
+pub fn main() {
+}