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-rw-r--r--js/src/jit-test/tests/wasm/regress/bug1777604/directives.txt1
-rw-r--r--js/src/jit-test/tests/wasm/regress/bug1777604/test.js35
2 files changed, 36 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/regress/bug1777604/directives.txt b/js/src/jit-test/tests/wasm/regress/bug1777604/directives.txt
new file mode 100644
index 0000000000..e627a21880
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/regress/bug1777604/directives.txt
@@ -0,0 +1 @@
+|jit-test| --ion-offthread-compile=off; --ion-eager; include:wasm.js
diff --git a/js/src/jit-test/tests/wasm/regress/bug1777604/test.js b/js/src/jit-test/tests/wasm/regress/bug1777604/test.js
new file mode 100644
index 0000000000..5accdbdd14
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/regress/bug1777604/test.js
@@ -0,0 +1,35 @@
+// |jit-test| skip-if: !wasmStreamingEnabled()
+
+const { Instance, compile, compileStreaming } = WebAssembly;
+
+for (let i = 0; i < 200; i++) {
+ // Possibly free code from a previous iteration, increasing probability
+ // new code will be allocated in a location previous code was.
+ gc(undefined, "shrinking");
+
+ function compileAndRun(x, g) {
+ var cache = streamCacheEntry(wasmTextToBinary(x));
+
+ compileStreaming(cache).then(function (m) {
+ g(new Instance(m, undefined));
+ return compileStreaming(cache);
+ }).then(function (m) {
+ g(new Instance(m, undefined));
+ });
+
+ // Serialize the promise execution at this point
+ drainJobQueue();
+ }
+
+ // Compile two different modules to increase probability that a module is
+ // is compiled to a page that a different module resided in previously.
+ compileAndRun('(module \
+ (func $test (param i64) (result f64) local.get 0 f64.convert_i64_u )\
+ (func (export "run") (result i32) i64.const 1 call $test f64.const 1 f64.eq )\
+ )', function (i) {});
+ compileAndRun('(module \
+ (func (export "run") (result i64) (i64.const 1))\
+ )', function (i) {
+ i.exports.run();
+ });
+}