libgccjit: Remove attributes declaration duplication

	gcc/c-family/Changelog:

		* gcc/c-family/c-common.h: Reexport c_common_gnu_attribute_table

	gcc/jit/Changelog:

		* gcc/jit/dummy-frontend.cc: Remove attributes duplication

Signed-off-by: Guillaume Gomez <[email protected]>

Author: GuillaumeGomez

gcc/c-family/c-common.h

@@ -825,6 +825,7 @@ extern struct visibility_flags visibility_options;
 extern const struct scoped_attribute_specs c_common_gnu_attribute_table;
 extern const struct scoped_attribute_specs c_common_clang_attribute_table;
 extern const struct scoped_attribute_specs c_common_format_attribute_table;
+extern const struct scoped_attribute_specs c_common_gnu_attribute_table;
 
 /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc.
    ID is the identifier to use, NAME is the string.