lldb/test/Shell/Commands/command-dil-diagnostics.test

## Check DIL error diagnostics output.
# UNSUPPORTED: target-windows
# REQUIRES: python
# RUN: %clang_host -g -O0 %S/Inputs/main.c -o %t
# RUN: %lldb %t -o "command source -e 0 %s" -o exit 2>&1 | FileCheck %s --strict-whitespace
settings set target.experimental.use-DIL true
b main
run

## Check console diagnostincs pointing to an error in user input.
frame var a+b
# CHECK:      {{^                   (\^|˄)}}
# CHECK-NEXT: {{^                   (╰─ )?}}error: use of undeclared identifier 'b'

## Check diagnostics when called from API.
script lldb.frame.GetValueForVariablePath("1+foo")
# CHECK: error: <user expression>:1:3: use of undeclared identifier 'foo'
# CHECK-NEXT: {{^    }}1 | 1+foo
# CHECK-NEXT: {{^    }}  |   ^~~

## Check that a result that fails to retrieve data is displaying an error.
frame var *((int*)0)
# CHECK: (int) *((int*)0) = <parent is NULL>