diff --git a/library/compiler-builtins/libm b/library/compiler-builtins/libm
index 4c8a973741c0..1dbb9d2d476d 160000
--- a/library/compiler-builtins/libm
+++ b/library/compiler-builtins/libm
@@ -1 +1 @@
-Subproject commit 4c8a973741c014b11ce7f1477693a3e5d4ef9609
+Subproject commit 1dbb9d2d476d65d020feca17b11391652038e2e1