fix: WebAssembly runtime error propagation (#6137)

Currently WebAssembly runtime errors don't propagate up to the user as
they use urls to denote where the error occurred which get caught by the source-map
pipeline which doesn't support the wasm scheme.

1 files changed, 50 insertions, 0 deletions

diff --git a/cli/tests/wasm_unreachable.js b/cli/tests/wasm_unreachable.js
new file mode 100644
index 000000000..991ebcec8
--- /dev/null
+++ b/cli/tests/wasm_unreachable.js
@@ -0,0 +1,50 @@
+// WebAssembly module containing a single function with an unreachable instruction
+const binary = Uint8Array.from([
+  0x00,
+  0x61,
+  0x73,
+  0x6d,
+  0x01,
+  0x00,
+  0x00,
+  0x00,
+  0x01,
+  0x04,
+  0x01,
+  0x60,
+  0x00,
+  0x00,
+  0x03,
+  0x02,
+  0x01,
+  0x00,
+  0x07,
+  0x0f,
+  0x01,
+  0x0b,
+  0x75,
+  0x6e,
+  0x72,
+  0x65,
+  0x61,
+  0x63,
+  0x68,
+  0x61,
+  0x62,
+  0x6c,
+  0x65,
+  0x00,
+  0x00,
+  0x0a,
+  0x05,
+  0x01,
+  0x03,
+  0x00,
+  0x00,
+  0x0b,
+]);
+
+const module = new WebAssembly.Module(binary);
+const instance = new WebAssembly.Instance(module);
+
+instance.exports.unreachable();