Add m-esr52 at 52.6.0

1 files changed, 7 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/ion/fold-linear-arith-bug1319242.js b/js/src/jit-test/tests/ion/fold-linear-arith-bug1319242.js
new file mode 100644
index 000000000..810018036
--- /dev/null
+++ b/js/src/jit-test/tests/ion/fold-linear-arith-bug1319242.js
@@ -0,0 +1,7 @@
+function f(x) {
+    // Check that we do not fold +1 and -2 across truncated/non-truncated operations.
+    return (((x | 0) + 1) | 0) + -2;
+}
+const int32_min = -Math.pow(2,31);
+f(Infinity);
+assertEq(f(int32_min - 1), int32_min - 2);