[Bug c++/107136] [13 Regression] File cp/cp-trait.def file not installed for plugin suport

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107136

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is most likely the fix but I don't have time to test it right now"
diff --git a/gcc/cp/Make-lang.in b/gcc/cp/Make-lang.in
index 38d8eeed1f0..aa84d6827be 100644
--- a/gcc/cp/Make-lang.in
+++ b/gcc/cp/Make-lang.in
@@ -39,7 +39,7 @@ CXX_INSTALL_NAME := $(shell echo c++|sed
'$(program_transform_name)')
 GXX_INSTALL_NAME := $(shell echo g++|sed '$(program_transform_name)')
 CXX_TARGET_INSTALL_NAME := $(target_noncanonical)-$(shell echo c++|sed
'$(program_transform_name)')
 GXX_TARGET_INSTALL_NAME := $(target_noncanonical)-$(shell echo g++|sed
'$(program_transform_name)')
-CP_PLUGIN_HEADERS := cp-tree.h cxx-pretty-print.h name-lookup.h type-utils.h
operators.def
+CP_PLUGIN_HEADERS := cp-tree.h cxx-pretty-print.h name-lookup.h type-utils.h
operators.def cp-trait.def

 #^L
 # Define the names for selecting c++ in LANGUAGES.