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