From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- .../tests/debug/Environment-bug-1431461.js | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 js/src/jit-test/tests/debug/Environment-bug-1431461.js (limited to 'js/src/jit-test/tests/debug/Environment-bug-1431461.js') diff --git a/js/src/jit-test/tests/debug/Environment-bug-1431461.js b/js/src/jit-test/tests/debug/Environment-bug-1431461.js new file mode 100644 index 0000000000..188f3ee5a7 --- /dev/null +++ b/js/src/jit-test/tests/debug/Environment-bug-1431461.js @@ -0,0 +1,26 @@ +// Check that duplicate bindings are not created for let/const variables. + +let g = newGlobal({newCompartment: true}); +let dbg = new Debugger(g); + +g.eval(` +function f(x, y=x) { + let z = "Z"; + debugger; + return x + y + z; +} +`); + +let hits = 0; +let names = []; + +dbg.onDebuggerStatement = frame => { + hits++; + for (let env = frame.environment; env.type !== "object"; env = env.parent) { + names.push(...env.names()); + } +}; + +assertEq(g.f("X", "Y"), "XYZ"); +assertEq(hits, 1); +assertEq(names.sort().join(", "), "arguments, x, y, z"); -- cgit v1.2.3