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-rw-r--r--utils/vim/llvm.vim1
1 files changed, 1 insertions, 0 deletions
diff --git a/utils/vim/llvm.vim b/utils/vim/llvm.vim
index 6e4a207b68..36d78e64e9 100644
--- a/utils/vim/llvm.vim
+++ b/utils/vim/llvm.vim
@@ -57,6 +57,7 @@ syn keyword llvmKeyword module asm align tail to
syn keyword llvmKeyword addrspace section alias sideeffect c gc
syn keyword llvmKeyword target datalayout triple
syn keyword llvmKeyword blockaddress
+syn keyword llvmKeyword union
" Obsolete keywords.
syn keyword llvmError uninitialized implementation