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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/gc/bug-1578462.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/gc/bug-1578462.js')
-rw-r--r-- | js/src/jit-test/tests/gc/bug-1578462.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/bug-1578462.js b/js/src/jit-test/tests/gc/bug-1578462.js new file mode 100644 index 0000000000..da3644511a --- /dev/null +++ b/js/src/jit-test/tests/gc/bug-1578462.js @@ -0,0 +1,59 @@ +// |jit-test| skip-if: !hasFunction["gczeal"] + +// Check that incoming CCW edges are marked gray in a zone GC if the +// source is gray. + +// Set up a new compartment with a gray object wrapper to this +// compartment. +function createOtherCompartment() { + let t = {}; + addMarkObservers([t]); + let g = newGlobal({newCompartment: true}); + g.t = t; + g.eval(`grayRoot().push(t);`); + g.t = null; + t = null; + return g; +} + +function startGCMarking() { + startgc(1); + while (gcstate() === "Prepare") { + gcslice(1); + } +} + +gczeal(0); + +let g = createOtherCompartment(); + +// The target should be gray in a full GC... +gc(); +assertEq(getMarks()[0], "gray"); + +// and subsequently gray in a zone GC of only this compartment. +gc(this); +assertEq(getMarks()[0], "gray"); + +// If a barrier marks the gray wrapper black after the start of the +// GC, the target ends up black. +schedulezone(this); +startGCMarking() +assertEq(getMarks()[0], "unmarked"); +g.eval(`grayRoot()`); // Barrier marks gray roots black. +assertEq(getMarks()[0], "black"); +finishgc(); + +// A full collection resets the wrapper to gray. +gc(); +assertEq(getMarks()[0], "gray"); + +// If a barrier marks the gray wrapper black after the target has +// already been marked gray, the target ends up black. +gczeal(25); // Yield during gray marking. +schedulezone(this); +startGCMarking(); +assertEq(getMarks()[0], "gray"); +g.eval(`grayRoot()`); // Barrier marks gray roots black. +assertEq(getMarks()[0], "black"); +finishgc(); |