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-rw-r--r--ext/B/Makefile.PL1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/B/Makefile.PL b/ext/B/Makefile.PL
index 8708c0d1c7..e34b86714f 100644
--- a/ext/B/Makefile.PL
+++ b/ext/B/Makefile.PL
@@ -44,6 +44,7 @@ foreach my $tuple (['cop.h'],
( [()|\dx]+ [UuLl]{0,2} # Parens, '|', digits, 'x',
# followed by optional long,
# unsigned qualifiers
+ | 0x[0-9a-fA-F]+ # hex values
| \(? \d+ [UuLl]{0,2} \s* << .*? # digits left shifted by anything
# followed by optional
# long, unsigned qualifiers