issue33386.go

     1  // errorcheck
     2  
     3  // Copyright 2019 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Verify that we don't get spurious follow-on errors
     8  // after a missing expression. Specifically, the parser
     9  // shouldn't skip over closing parentheses of any kind.
    10  
    11  package p
    12  
    13  func _() {
    14  	go func() {     // no error here about goroutine
    15  		send <- // GCCGO_ERROR "undefined name"
    16  	}()             // ERROR "expected expression|expected operand"
    17  }
    18  
    19  func _() {
    20  	defer func() { // no error here about deferred function
    21  		1 +    // GCCGO_ERROR "value computed is not used"
    22  	}()            // ERROR "expected expression|expected operand"
    23  }
    24  
    25  func _() {
    26  	_ = (1 +)             // ERROR "expected expression|expected operand"
    27  	_ = a[2 +]            // ERROR "expected expression|expected operand|undefined name"
    28  	_ = []int{1, 2, 3 + } // ERROR "expected expression|expected operand"
    29  }
    30
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