1 files changed, 0 insertions, 33 deletions
diff --git a/gcc/rust/rust-backend.h b/gcc/rust/rust-backend.h
index ac856af..c228f6b 100644
--- a/gcc/rust/rust-backend.h
+++ b/gcc/rust/rust-backend.h
@@ -76,10 +76,6 @@ public:
 
   // Types.
 
-  // Produce an error type.  Actually the backend could probably just
-  // crash if this is called.
-  virtual tree error_type () = 0;
-
   // Get a void type.  This is used in (at least) two ways: 1) as the
   // return type of a function with no result parameters; 2)
   // unsafe.Pointer is represented as *void.
@@ -188,17 +184,6 @@ public:
   // converting nil to other types.
   virtual tree zero_expression (tree) = 0;
 
-  // Create an error expression. This is used for cases which should
-  // not occur in a correct program, in order to keep the compilation
-  // going without crashing.
-  virtual tree error_expression () = 0;
-
-  // return whether this is error_mark_node
-  virtual bool is_error_expression (tree) = 0;
-
-  // Create a nil pointer expression.
-  virtual tree nil_pointer_expression () = 0;
-
   virtual tree unit_expression () = 0;
 
   // Create a reference to a variable.
@@ -324,11 +309,6 @@ public:
 
   // Statements.
 
-  // Create an error statement.  This is used for cases which should
-  // not occur in a correct program, in order to keep the compilation
-  // going without crashing.
-  virtual tree error_statement () = 0;
-
   // Create an expression statement within the specified function.
   virtual tree expression_statement (tree, tree) = 0;
 
@@ -405,10 +385,6 @@ public:
   // be empty if there are no statements.
   virtual void block_add_statements (tree, const std::vector<tree> &) = 0;
 
-  // Return the block as a statement.  This is used to include a block
-  // in a list of statements.
-  virtual tree block_statement (tree) = 0;
-
   // Variables.
 
   // Create an error variable.  This is used for cases which should
@@ -508,11 +484,6 @@ public:
 
   // Functions.
 
-  // Create an error function.  This is used for cases which should
-  // not occur in a correct program, in order to keep the compilation
-  // going without crashing.
-  virtual tree error_function () = 0;
-
   // Bit flags to pass to the function method.
 
   // Set if this is a function declaration rather than a definition;
@@ -557,10 +528,6 @@ public:
 			   const std::vector<Bvariable *> &param_vars)
     = 0;
 
-  // Set the function body for FUNCTION using the code in CODE_STMT.  Returns
-  // true on success, false on failure.
-  virtual bool function_set_body (tree function, tree code_stmt) = 0;
-
   // Look up a named built-in function in the current backend implementation.
   // Returns NULL if no built-in function by that name exists.
   virtual tree lookup_gcc_builtin (const std::string &) = 0;