1 // REQUIRES: x86-registered-target 2 // RUN: %clang --target=x86_64--linug-gnu -S %s -o - | FileCheck %s -check-prefix=ALLOWED 3 // RUN: not %clang --target=x86_64--linux-gnu -std=c89 -S %s -o - 2>&1 | FileCheck %s -check-prefix=DENIED 4 int \uaccess = 0; 5 // ALLOWED: "ss": 6 // ALLOWED-NOT: "\uaccess": 7 // DENIED: warning: universal character names are only valid in C99 or C++; treating as '\' followed by identifier [-Wunicode] 8 // DENIED: error: expected identifier or '(' 9
