1// RUN: not mlir-opt -allow-unregistered-dialect %s -split-input-file -verify-diagnostics 2>&1 | FileCheck %s 2 3// CHECK: found start of regex with no end '}}' 4// expected-error-re {{{{}} 5 6// ----- 7 8// CHECK: invalid regex: parentheses not balanced 9// expected-error-re {{ {{(}} }} 10 11// ----- 12 13func.func @foo() -> i32 { 14 // expected-error-re@+1 {{'func.return' op has 0 operands, but enclosing function (@{{.*}}) returns 1}} 15 return 16} 17