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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/jit-test/tests/ion/fold-linear-arith-bug1528829.js
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/ion/fold-linear-arith-bug1528829.js')
-rw-r--r--js/src/jit-test/tests/ion/fold-linear-arith-bug1528829.js18
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);
+