[Bug target/120042] [16 Regression] RISC-V: stage1 fails to build with error: ‘CDI_DOMINATORS’ was not declared in this scope in tree-vectorizer.h

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120042

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This should fix it:
```
[apinski@xeond2 gcc]$ git stash show -v
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h
index 01d19c77656..5cfdeb6d209 100644
--- a/gcc/tree-vectorizer.h
+++ b/gcc/tree-vectorizer.h
@@ -30,6 +30,7 @@ typedef struct _slp_tree *slp_tree;
 #include "internal-fn.h"
 #include "tree-ssa-operands.h"
 #include "gimple-match.h"
+#include "dominance.h"

 /* Used for naming of new temporaries.  */
 enum vect_var_kind {


```