chore(fuzz): More metamorphic rules

compiler/noirc_evaluator/src/ssa/ssa_gen/context.rs

@@ -792,11 +792,18 @@ impl<'a> FunctionContext<'a> {
     /// Looks up the value of a given local variable. Expects the variable to have
     /// been previously defined or panics otherwise.
     pub(super) fn lookup(&self, id: LocalId) -> Values {
-        self.definitions.get(&id).expect("lookup: variable not defined").clone()
+        self.definitions
+            .get(&id)
+            .unwrap_or_else(|| panic!("lookup: variable {id:?} not defined"))
+            .clone()
     }
 
     pub(super) fn lookup_global(&self, id: GlobalId) -> Values {
-        self.shared_context.globals.get(&id).expect("lookup_global: variable not defined").clone()
+        self.shared_context
+            .globals
+            .get(&id)
+            .unwrap_or_else(|| panic!("lookup_global: variable {id:?} not defined"))
+            .clone()
     }
 
     /// Extract the given field of the tuple. Panics if the given Values is not

cspell.json

@@ -74,6 +74,7 @@
         "crypdoku",
         "csat",
         "ctstring",
+        "curr",
         "curvegroup",
         "databus",
         "debouncer",

tooling/ast_fuzzer/fuzz/Cargo.toml

@@ -15,6 +15,7 @@ cargo-fuzz = true
 arbitrary.workspace = true
 color-eyre.workspace = true
 libfuzzer-sys.workspace = true
+strum.workspace = true
 
 acir.workspace = true
 noirc_abi.workspace = true