| Index: src/compiler/typer.cc | 
| diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc | 
| index aac7deaca3edbe08a878a395178090ee42d9d5f0..6778c8d3b3a8e4e8207f9cf65013663447f9f9bd 100644 | 
| --- a/src/compiler/typer.cc | 
| +++ b/src/compiler/typer.cc | 
| @@ -1587,9 +1587,6 @@ Type* Typer::Visitor::TypeJSCallRuntime(Node* node) { | 
| case Runtime::kInlineConstructDouble: | 
| case Runtime::kInlineMathFloor: | 
| case Runtime::kInlineMathSqrt: | 
| -    case Runtime::kInlineMathAcos: | 
| -    case Runtime::kInlineMathAsin: | 
| -    case Runtime::kInlineMathAtan: | 
| case Runtime::kInlineMathAtan2: | 
| return Type::Number(); | 
| case Runtime::kInlineMathClz32: | 
|  |