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-rw-r--r--lib/compiler/src/erl_bifs.erl1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/compiler/src/erl_bifs.erl b/lib/compiler/src/erl_bifs.erl
index 2514c06360..f82a798ceb 100644
--- a/lib/compiler/src/erl_bifs.erl
+++ b/lib/compiler/src/erl_bifs.erl
@@ -136,6 +136,7 @@ is_pure(math, sinh, 1) -> true;
is_pure(math, sqrt, 1) -> true;
is_pure(math, tan, 1) -> true;
is_pure(math, tanh, 1) -> true;
+is_pure(math, pi, 0) -> true;
is_pure(_, _, _) -> false.