diff --git a/tools/cspell_dicts/rustc_codegen_gcc.txt b/tools/cspell_dicts/rustc_codegen_gcc.txt
index b19d7f67eab3..4fb018b3ecd8 100644
--- a/tools/cspell_dicts/rustc_codegen_gcc.txt
+++ b/tools/cspell_dicts/rustc_codegen_gcc.txt
@@ -26,6 +26,7 @@ fwrapv
 gimple
 hrtb
 immediates
+interner
 liblto
 llbb
 llcx