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fix compiler crash (#25925)
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Kingwl authored and RyanCavanaugh committed Apr 25, 2019
1 parent e007ccf commit 583edce
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Showing 5 changed files with 50 additions and 1 deletion.
2 changes: 1 addition & 1 deletion src/compiler/transformers/ts.ts
Expand Up @@ -2577,7 +2577,7 @@ namespace ts {
*/
function visitEnumDeclaration(node: EnumDeclaration): VisitResult<Statement> {
if (!shouldEmitEnumDeclaration(node)) {
return undefined;
return createNotEmittedStatement(node);
}

const statements: Statement[] = [];
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13 changes: 13 additions & 0 deletions tests/baselines/reference/constEnum4.js
@@ -0,0 +1,13 @@
//// [constEnum4.ts]
if (1)
const enum A { }
else if (2)
const enum B { }
else
const enum C { }


//// [constEnum4.js]
if (1)
else if (2)
else
13 changes: 13 additions & 0 deletions tests/baselines/reference/constEnum4.symbols
@@ -0,0 +1,13 @@
=== tests/cases/conformance/constEnums/constEnum4.ts ===
if (1)
const enum A { }
>A : Symbol(A, Decl(constEnum4.ts, 0, 6))

else if (2)
const enum B { }
>B : Symbol(B, Decl(constEnum4.ts, 2, 11))

else
const enum C { }
>C : Symbol(C, Decl(constEnum4.ts, 4, 4))

17 changes: 17 additions & 0 deletions tests/baselines/reference/constEnum4.types
@@ -0,0 +1,17 @@
=== tests/cases/conformance/constEnums/constEnum4.ts ===
if (1)
>1 : 1

const enum A { }
>A : A

else if (2)
>2 : 2

const enum B { }
>B : B

else
const enum C { }
>C : C

6 changes: 6 additions & 0 deletions tests/cases/conformance/constEnums/constEnum4.ts
@@ -0,0 +1,6 @@
if (1)
const enum A { }
else if (2)
const enum B { }
else
const enum C { }

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