Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 143 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/parser/oom-tracking-line-starts-in-tokenizer.js b/js/src/jit-test/tests/parser/oom-tracking-line-starts-in-tokenizer.js
new file mode 100644
index 0000000000..46aa1dbd04
--- /dev/null
+++ b/js/src/jit-test/tests/parser/oom-tracking-line-starts-in-tokenizer.js
@@ -0,0 +1,143 @@
+// Constraints on this test's appearance:
+//
+//   * |TokenStream::SourceCoords::add| must try to allocate memory.  (This test
+//     ensures this happens by making the function below >=128 lines long so
+//     that |SourceCoords::lineStartOffsets_| must convert to heap storage.  The
+//     precise approach doesn't matter.)
+//   * That allocation attempt must fail (by forced simulated OOM, here).
+//
+// It'd be nice to build up the function programmatically, but it appears that
+// the above only happens if the provided function has a lazy script.  Cursory
+// attempts to relazify |Function("...")| didn't work, so this fuzzer-like
+// version had to be used instead.
+if ("oomTest" in this) {
+  oomTest(function() {
+      try {
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+      } catch(e) {
+          ;
+      }
+  })
+}