fix(es/minifier): Fix compress pow NaN (#9210)

**Description:**

`f64::powf` for `NaN` returns 1 instead of `NaN`, see
rust-lang/rust#60468. We should handle that.

**Related issue:**

 - Closes #9193

---------

Co-authored-by: magic-akari <akari.ccino@gmail.com>

Author: Fnll

crates/swc_ecma_minifier/src/compress/optimize/evaluate.rs

@@ -345,6 +345,16 @@ impl Optimizer<'_> {
                 self.changed = true;
                 report_change!("evaluate: Evaluated an expression as `{}`", value);
 
+                if value.is_nan() {
+                    *e = Ident::new(
+                        "NaN".into(),
+                        e.span(),
+                        SyntaxContext::empty().apply_mark(self.marks.unresolved_mark),
+                    )
+                    .into();
+                    return;
+                }
+
                 *e = Lit::Num(Number {
                     span: e.span(),
                     value,

crates/swc_ecma_minifier/src/compress/util/mod.rs

@@ -512,10 +512,16 @@ pub(crate) fn eval_as_number(expr_ctx: &ExprCtx, e: &Expr) -> Option<f64> {
                             if args.len() != 2 {
                                 return None;
                             }
-                            let first = eval_as_number(expr_ctx, &args[0].expr)?;
-                            let second = eval_as_number(expr_ctx, &args[1].expr)?;
+                            let base = eval_as_number(expr_ctx, &args[0].expr)?;
+                            let exponent = eval_as_number(expr_ctx, &args[1].expr)?;
 
-                            return Some(first.powf(second));
+                            // https://tc39.es/ecma262/multipage/ecmascript-data-types-and-values.html#sec-numeric-types-number-exponentiate
+                            // https://github.com/rust-lang/rust/issues/60468
+                            if exponent.is_nan() {
+                                return Some(f64::NAN);
+                            }
+
+                            return Some(base.powf(exponent));
                         }
 
                         _ => {}

crates/swc_ecma_minifier/tests/passing.txt

@@ -535,11 +535,13 @@ evaluate/or/input.js
 evaluate/positive_zero/input.js
 evaluate/pow/input.js
 evaluate/pow_mixed/input.js
+evaluate/pow_nan/input.js
 evaluate/pow_sequence/input.js
 evaluate/pow_sequence_with_constants_and_parens/input.js
 evaluate/pow_sequence_with_parens/input.js
 evaluate/pow_sequence_with_parens_evaluated/input.js
 evaluate/pow_sequence_with_parens_exact/input.js
+evaluate/pow_spec/input.js
 evaluate/pow_with_number_constants/input.js
 evaluate/pow_with_right_side_evaluating_to_unary/input.js
 evaluate/prop_function/input.js
@@ -1245,6 +1247,7 @@ pure_getters/collapse_vars_2_strict/input.js
 pure_getters/impure_getter_1/input.js
 pure_getters/issue_2110_1/input.js
 pure_getters/issue_2110_2/input.js
+pure_getters/issue_2265_1/input.js
 pure_getters/issue_2265_2/input.js
 pure_getters/issue_2265_4/input.js
 pure_getters/issue_2313_1/input.js

crates/swc_ecma_minifier/tests/postponed.txt

@@ -111,7 +111,6 @@ pure_funcs/unary/input.js
 pure_getters/collapse_vars_1_true/input.js
 pure_getters/collapse_vars_2_true/input.js
 pure_getters/impure_getter_2/input.js
-pure_getters/issue_2265_1/input.js
 pure_getters/issue_2265_3/input.js
 pure_getters/issue_2313_6/input.js
 pure_getters/issue_2838/input.js

crates/swc_ecma_minifier/tests/terser/compress/evaluate/pow_nan/config.json

@@ -0,0 +1,3 @@
+{
+    "evaluate": true
+}

crates/swc_ecma_minifier/tests/terser/compress/evaluate/pow_nan/input.js

@@ -0,0 +1 @@
+console.log(Math.pow(1, NaN));

crates/swc_ecma_minifier/tests/terser/compress/evaluate/pow_nan/output.js

@@ -0,0 +1 @@
+console.log(NaN);

crates/swc_ecma_minifier/tests/terser/compress/evaluate/pow_nan/output.mangleOnly.js

@@ -0,0 +1 @@
+console.log(Math.pow(1, NaN));

crates/swc_ecma_minifier/tests/terser/compress/evaluate/pow_nan/output.terser.js

@@ -0,0 +1 @@
+console.log(NaN);

crates/swc_ecma_minifier/tests/terser/compress/evaluate/pow_spec/config.json

@@ -0,0 +1,3 @@
+{
+    "evaluate": true
+}