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Diffstat (limited to '')
-rw-r--r-- | js/src/jit-test/tests/wasm/regress/bug1678785.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/regress/bug1678785.js b/js/src/jit-test/tests/wasm/regress/bug1678785.js new file mode 100644 index 0000000000..b04ac8480b --- /dev/null +++ b/js/src/jit-test/tests/wasm/regress/bug1678785.js @@ -0,0 +1,20 @@ + +// This exposed a bug in CL's aarch64 isel, in which the -4098 was +// incorrectly sign-extended out to 64 bits. + +let { exports } = new WebAssembly.Instance(new WebAssembly.Module( + wasmTextToBinary(` + (module + (type (;0;) (func)) + (type (;1;) (func (result i32))) + (type (;2;) (func (result i64))) + (func (;0;) (type 0) + i32.const -4098 + i32.load16_s offset=1 + drop) + (memory (;0;) 1) + (export "g" (func 0)))` ))); +try { + exports.g(); +} catch (e) {} + |