RUN: not llvm-profdata merge %p/Inputs/empty.profdata %p/Inputs/foo3-1.profdata 2>&1 | FileCheck %s --check-prefix=LENGTH
RUN: not llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/foo3bar3-1.profdata 2>&1 | FileCheck %s --check-prefix=LENGTH
RUN: not llvm-profdata merge %p/Inputs/foo4-1.profdata %p/Inputs/empty.profdata 2>&1 | FileCheck %s --check-prefix=LENGTH
LENGTH: error: Number of instrumented functions differ

RUN: not llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/bar3-1.profdata 2>&1 | FileCheck %s --check-prefix=NAME
NAME: error: Function name mismatch, foo != bar

RUN: not llvm-profdata merge %p/Inputs/foo3-1.profdata %p/Inputs/foo4-1.profdata 2>&1 | FileCheck %s --check-prefix=HASH
HASH: error: Function hash mismatch for foo

RUN: not llvm-profdata merge %p/Inputs/overflow.profdata %p/Inputs/overflow.profdata 2>&1 | FileCheck %s --check-prefix=OVERFLOW
OVERFLOW: error: Counter overflow for overflow

RUN: not llvm-profdata merge %p/Inputs/invalid-count-later.profdata %p/Inputs/invalid-count-later.profdata 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
INVALID-COUNT-LATER: error: {{.*}}: Malformed profile data

RUN: not llvm-profdata merge %p/Inputs/bad-hash.profdata %p/Inputs/bad-hash.profdata 2>&1 | FileCheck %s --check-prefix=BAD-HASH
BAD-HASH: error: {{.*}}: Malformed profile data