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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/ion/fold-linear-arith-bug1528829.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 '')
-rw-r--r-- | js/src/jit-test/tests/ion/fold-linear-arith-bug1528829.js | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/fold-linear-arith-bug1528829.js b/js/src/jit-test/tests/ion/fold-linear-arith-bug1528829.js new file mode 100644 index 0000000000..e4529c1bfb --- /dev/null +++ b/js/src/jit-test/tests/ion/fold-linear-arith-bug1528829.js @@ -0,0 +1,18 @@ +// |jit-test| --ion-warmup-threshold=0; --ion-check-range-analysis + +function f(o) { + // Int32 math does an overflow check. + o += 1; + // Int32 math does an underflow check. + o += -2147483647; + // If previous math operations are folded, we should keep the smallest + // overflow check and the highest underflow check to stay within the + // expected range deduced by Range Analysis. + for (let i = 0; i < 1; ++i) { + o -= 1; + } +} +f(0); +f(0); +f(2147483647); + |