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1// RUN: not mlir-opt -allow-unregistered-dialect %s -split-input-file -verify-diagnostics 2>&1 | FileCheck %s2 3// CHECK: found start of regex with no end '}}'4// expected-error-re {{{{}}5 6// -----7 8// CHECK: invalid regex: parentheses not balanced9// 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 return16}17