diff --git a/ChangeLog.d/muladdc-memory.txt b/ChangeLog.d/muladdc-memory.txt
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+Bugfix
+   * Fix missing constraints on x86_64 and aarch64 assembly code
+     for bignum multiplication that broke some bignum operations with
+     (at least) Clang 12.
+     Fixes #4116, #4786, #4917, #4962.