From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../tests/debug/Environment-getVariable-15.js | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 js/src/jit-test/tests/debug/Environment-getVariable-15.js (limited to 'js/src/jit-test/tests/debug/Environment-getVariable-15.js') diff --git a/js/src/jit-test/tests/debug/Environment-getVariable-15.js b/js/src/jit-test/tests/debug/Environment-getVariable-15.js new file mode 100644 index 0000000000..f0495cda17 --- /dev/null +++ b/js/src/jit-test/tests/debug/Environment-getVariable-15.js @@ -0,0 +1,31 @@ +// Don't hand out internal function objects via Debugger.Environment.prototype.getVariable. + +// When the real scope chain object holding the binding for 'f' in 'function f() +// { ... }' is optimized out because it's never used, we whip up fake scope +// chain objects for Debugger to use, if it looks. However, the value of the +// variable f will be an internal function object, not a live function object, +// since the latter was not recorded. Internal function objects should not be +// exposed via Debugger. + +var g = newGlobal({newCompartment: true}); +var dbg = new Debugger(g); + +dbg.onDebuggerStatement = function (frame) { + var g_call_env = frame.older.environment; // g's locals + var g_decl_env = g_call_env.parent; // 'function g' binding + var f_call_env = g_decl_env.parent; // f's locals + var f_decl_env = f_call_env.parent; // 'function f' binding + assertEq(f_decl_env.getVariable('f').optimizedOut, true); +} + +g.evaluate(` + + function h() { debugger; } + (function f() { + return function g() { + h(); + return 1; + } + })()(); + + `); -- cgit v1.2.3