fix(fuzz): enable print in comptime_vs_brillig_direct

compiler/noirc_frontend/src/hir/comptime/interpreter.rs

@@ -249,7 +249,7 @@ impl<'local, 'interner> Interpreter<'local, 'interner> {
     ) -> IResult<Value> {
         let attributes = self.elaborator.interner.function_attributes(&function);
         let func_attrs = &attributes.function()
-            .expect("all builtin functions must contain a function  attribute which contains the opcode which it links to").kind;
+            .expect("all builtin functions must contain a function attribute which contains the opcode which it links to").kind;
 
         if let Some(builtin) = func_attrs.builtin() {
             self.call_builtin(builtin.clone().as_str(), arguments, return_type, location)

tooling/ast_fuzzer/fuzz/src/targets/comptime_vs_brillig_direct.rs

@@ -31,8 +31,6 @@ pub fn fuzz(u: &mut Unstructured) -> eyre::Result<()> {
         avoid_overflow: true,
         avoid_err_by_zero: true,
         avoid_constrain: true,
-        // At the moment prints aren't recognized by elaborator
-        avoid_print: true,
         // Use lower limits because of the interpreter, to avoid stack overflow
         max_loop_size: 5,
         max_recursive_calls: 5,

tooling/ast_fuzzer/src/compare/comptime.rs

@@ -93,12 +93,37 @@ impl CompareComptime {
         let initial_witness = self.input_witness()?;
         let (res2, _) = Self::exec_bytecode(&self.ssa.artifact.program, initial_witness.clone());
 
-        // TODO(#8973): The print output is currently not captured by the elaborator, so we have to ignore it.
+        // Include the print part of stdlib for the elaborator to be able to use the print oracle
+        let import_print = r#"
+        #[oracle(print)]
+        unconstrained fn print_oracle<T>(with_newline: bool, input: T) {{}}
+
+        unconstrained fn print_unconstrained<T>(with_newline: bool, input: T) {{
+            print_oracle(with_newline, input);
+        }}
+
+        pub fn println<T>(input: T) {{
+            unsafe {{
+                print_unconstrained(true, input);
+            }}
+        }}
+
+        pub fn print<T>(input: T) {{
+            unsafe {{
+                print_unconstrained(false, input);
+            }}
+        }}
+        "#;
+
+        // Add comptime modifier for main
+        let source = format!("comptime {}{}", self.source, import_print);
+
+        // TODO(#9054): re-enable print output comparison
         let empty_print = "";
 
-        // log source code before interpreting
+        // Log source code before interpreting
         log::debug!("comptime src:\n{}", self.source);
-        let comptime_expr = match interpret(&format!("comptime {}", self.source)) {
+        let comptime_expr = match interpret(&format!("comptime {}", source)) {
             Ok(expr) => expr,
             Err(e) => {
                 let assertion_diagnostic = match &e {

tooling/ast_fuzzer/src/program/mod.rs

@@ -597,6 +597,7 @@ impl std::fmt::Display for DisplayAstAsNoirComptime<'_> {
         // for example `for i in (5 / 10) as u32 .. 2` is `0..2` or `1..2` depending on whether 5 and 10
         // were some number in the AST or `Field` when parsed by the test.
         printer.show_type_of_int_literal = true;
+
         for function in &self.0.functions {
             if function.id == Program::main_id() {
                 let mut function = function.clone();
@@ -607,6 +608,7 @@ impl std::fmt::Display for DisplayAstAsNoirComptime<'_> {
                 printer.print_function(function, f, FunctionPrintOptions::default())?;
             }
         }
+
         Ok(())
     }
 }