Fix strict/es5+ octal literal 2x error microsoft#46810 (microsoft#46823)

* Fix strict/es5+ octal literal 2x error microsoft#46810

Signed-off-by: Jay Clark <jay@jayeclark.dev>

* Accept baseline test changes

Signed-off-by: Jay Clark <jay@jayeclark.dev>

* Add test case

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>

Author: 2 people

src/compiler/binder.ts

@@ -2335,7 +2335,7 @@ namespace ts {
         }
 
         function checkStrictModeNumericLiteral(node: NumericLiteral) {
-            if (inStrictMode && node.numericLiteralFlags & TokenFlags.Octal) {
+            if (languageVersion < ScriptTarget.ES5 && inStrictMode && node.numericLiteralFlags & TokenFlags.Octal) {
                 file.bindDiagnostics.push(createDiagnosticForNode(node, Diagnostics.Octal_literals_are_not_allowed_in_strict_mode));
             }
         }

tests/baselines/reference/jsFileCompilationBindStrictModeErrors.errors.txt

@@ -10,7 +10,6 @@ tests/cases/compiler/b.js(3,7): error TS1210: Code contained in a class is evalu
 tests/cases/compiler/b.js(6,13): error TS1213: Identifier expected. 'let' is a reserved word in strict mode. Class definitions are automatically in strict mode.
 tests/cases/compiler/c.js(1,12): error TS1214: Identifier expected. 'let' is a reserved word in strict mode. Modules are automatically in strict mode.
 tests/cases/compiler/c.js(2,5): error TS1215: Invalid use of 'eval'. Modules are automatically in strict mode.
-tests/cases/compiler/d.js(2,9): error TS1121: Octal literals are not allowed in strict mode.
 tests/cases/compiler/d.js(2,11): error TS1005: ',' expected.
 
 
@@ -72,10 +71,8 @@ tests/cases/compiler/d.js(2,11): error TS1005: ',' expected.
 !!! error TS1215: Invalid use of 'eval'. Modules are automatically in strict mode.
     };
 
-==== tests/cases/compiler/d.js (2 errors) ====
+==== tests/cases/compiler/d.js (1 errors) ====
     "use strict";
     var x = 009; // error
-            ~~
-!!! error TS1121: Octal literals are not allowed in strict mode.
               ~
 !!! error TS1005: ',' expected.

tests/baselines/reference/plainJSBinderErrors.errors.txt

@@ -10,14 +10,13 @@ tests/cases/conformance/salsa/plainJSBinderErrors.js(18,16): error TS1102: 'dele
 tests/cases/conformance/salsa/plainJSBinderErrors.js(19,16): error TS1102: 'delete' cannot be called on an identifier in strict mode.
 tests/cases/conformance/salsa/plainJSBinderErrors.js(22,15): error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'eval'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
 tests/cases/conformance/salsa/plainJSBinderErrors.js(23,15): error TS1210: Code contained in a class is evaluated in JavaScript's strict mode which does not allow this use of 'arguments'. For more information, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode.
-tests/cases/conformance/salsa/plainJSBinderErrors.js(26,27): error TS1121: Octal literals are not allowed in strict mode.
 tests/cases/conformance/salsa/plainJSBinderErrors.js(27,9): error TS1101: 'with' statements are not allowed in strict mode.
 tests/cases/conformance/salsa/plainJSBinderErrors.js(33,13): error TS1344: 'A label is not allowed here.
 tests/cases/conformance/salsa/plainJSBinderErrors.js(39,7): error TS1215: Invalid use of 'eval'. Modules are automatically in strict mode.
 tests/cases/conformance/salsa/plainJSBinderErrors.js(40,7): error TS1215: Invalid use of 'arguments'. Modules are automatically in strict mode.
 
 
-==== tests/cases/conformance/salsa/plainJSBinderErrors.js (17 errors) ====
+==== tests/cases/conformance/salsa/plainJSBinderErrors.js (16 errors) ====
     export default 12
     ~~~~~~~~~~~~~~~~~
 !!! error TS2528: A module cannot have multiple default exports.
@@ -70,8 +69,6 @@ tests/cases/conformance/salsa/plainJSBinderErrors.js(40,7): error TS1215: Invali
         }
         withOctal() {
             const redundant = 010
-                              ~~~
-!!! error TS1121: Octal literals are not allowed in strict mode.
             with (redundant) {
             ~~~~
 !!! error TS1101: 'with' statements are not allowed in strict mode.

tests/baselines/reference/strictModeOctalLiterals.errors.txt

@@ -0,0 +1,17 @@
+tests/cases/conformance/expressions/literals/strictModeOctalLiterals.ts(2,14): error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '0o1'.
+tests/cases/conformance/expressions/literals/strictModeOctalLiterals.ts(4,16): error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '0o1'.
+tests/cases/conformance/expressions/literals/strictModeOctalLiterals.ts(4,21): error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '0o1'.
+
+
+==== tests/cases/conformance/expressions/literals/strictModeOctalLiterals.ts (3 errors) ====
+    export enum E {
+        A = 12 + 01
+                 ~~
+!!! error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '0o1'.
+    }
+    const orbitol: 01 = 01
+                   ~~
+!!! error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '0o1'.
+                        ~~
+!!! error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. Use the syntax '0o1'.
+    

tests/baselines/reference/strictModeOctalLiterals.js

@@ -0,0 +1,13 @@
+//// [strictModeOctalLiterals.ts]
+export enum E {
+    A = 12 + 01
+}
+const orbitol: 01 = 01
+
+
+//// [strictModeOctalLiterals.js]
+export var E;
+(function (E) {
+    E[E["A"] = 13] = "A";
+})(E || (E = {}));
+const orbitol = 01;

tests/baselines/reference/strictModeOctalLiterals.symbols

@@ -0,0 +1,10 @@
+=== tests/cases/conformance/expressions/literals/strictModeOctalLiterals.ts ===
+export enum E {
+>E : Symbol(E, Decl(strictModeOctalLiterals.ts, 0, 0))
+
+    A = 12 + 01
+>A : Symbol(E.A, Decl(strictModeOctalLiterals.ts, 0, 15))
+}
+const orbitol: 01 = 01
+>orbitol : Symbol(orbitol, Decl(strictModeOctalLiterals.ts, 3, 5))
+

tests/baselines/reference/strictModeOctalLiterals.types

@@ -0,0 +1,14 @@
+=== tests/cases/conformance/expressions/literals/strictModeOctalLiterals.ts ===
+export enum E {
+>E : E
+
+    A = 12 + 01
+>A : E
+>12 + 01 : number
+>12 : 12
+>01 : 1
+}
+const orbitol: 01 = 01
+>orbitol : 1
+>01 : 1
+

tests/cases/conformance/expressions/literals/strictModeOctalLiterals.ts

@@ -0,0 +1,5 @@
+// @target: es2018
+export enum E {
+    A = 12 + 01
+}
+const orbitol: 01 = 01