1// RUN: env RC_DEBUG_PREFIX_MAP=old=new \ 2// RUN: %clang -target arm64-apple-darwin -### -c -g %s 2>&1 | FileCheck %s 3// RUN: env RC_DEBUG_PREFIX_MAP=illegal \ 4// RUN: not %clang -target arm64-apple-darwin -### -c -g %s 2>&1 | FileCheck %s --check-prefix=ERR 5// CHECK: "-fdebug-prefix-map=old=new" 6// ERR: invalid argument 'illegal' 7