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-rw-r--r--js/src/jit-test/tests/wasm/regress/reserve-joinreg.js22
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/regress/reserve-joinreg.js b/js/src/jit-test/tests/wasm/regress/reserve-joinreg.js
new file mode 100644
index 0000000000..7121914651
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/regress/reserve-joinreg.js
@@ -0,0 +1,22 @@
+// Bug 1280933, excerpted from binary test case provided there.
+
+wasmEvalText(
+`(module
+ (func $func0 (param $arg0 i32) (result i32) (local $var0 i64)
+ (local.set $var0 (i64.extend_u/i32 (local.get $arg0)))
+ (i32.wrap/i64
+ (i64.add
+ (block (result i64)
+ (block $label1
+ (loop $label0
+ (drop
+ (block $label2 (result i64)
+ (br_table $label2 (i64.const 0) (local.get $arg0))
+ )
+ )
+ (local.set $var0 (i64.mul (i64.const 2) (local.get $var0)))
+ )
+ )
+ (tee_local $var0 (i64.add (i64.const 4) (local.get $var0))))
+ (i64.const 1))))
+ (export "" (func 0)))`);