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-rw-r--r--asan_ignore6
1 files changed, 6 insertions, 0 deletions
diff --git a/asan_ignore b/asan_ignore
index 5a8bc5c7f9..4a1dc83870 100644
--- a/asan_ignore
+++ b/asan_ignore
@@ -17,3 +17,9 @@
# nor =signed-integer-overflow worked.
fun:Perl_pp_i_*
+
+# Perl's << is defined as using the underlying C's << operator, with the
+# same undefined behaviour for shifts greater than the word size.
+# (UVs normally, IVs with 'use integer')
+
+fun:Perl_pp_left_shift