From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../jit-test/tests/debug/onExceptionUnwind-14.js | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 js/src/jit-test/tests/debug/onExceptionUnwind-14.js (limited to 'js/src/jit-test/tests/debug/onExceptionUnwind-14.js') diff --git a/js/src/jit-test/tests/debug/onExceptionUnwind-14.js b/js/src/jit-test/tests/debug/onExceptionUnwind-14.js new file mode 100644 index 000000000..121f5728e --- /dev/null +++ b/js/src/jit-test/tests/debug/onExceptionUnwind-14.js @@ -0,0 +1,23 @@ +var g = newGlobal(); +var dbg = new Debugger(g); + +g.eval("" + function f() { + throw 42; +}); + +g.eval("" + function g() { + throw new Error("42"); +}); + +// Call the functions once. This will compile them in Ion under --ion-eager. +g.eval("try { f(); } catch (e) { }"); +g.eval("try { g(); } catch (e) { }"); + +// Now set an onExceptionUnwind hook so that the Ion-compiled functions will +// try to bail out. The tail of the bytecode for f and g looks like 'throw; +// retrval', with 'retrval' being unreachable. Since 'throw' is resumeAfter, +// bailing out for debug mode will attempt to resume at 'retrval'. Test that +// this case is handled. +dbg.onExceptionUnwind = function f() { }; +g.eval("try { f(); } catch (e) { }"); +g.eval("try { g(); } catch (e) { }"); -- cgit v1.2.3