1 // RUN: not %clang_cc1 %s -fsyntax-only -fmessage-length 75 -o /dev/null 2>&1 | FileCheck %s -strict-whitespace 2 3 // Test case for the text diagnostics source column conversion crash. 4 5 // This test case tries to check the error diagnostic message printer, which is 6 // responsible to create the code snippet shorter than the message-length (in 7 // number of columns.) 8 // 9 // The error diagnostic message printer should be able to handle the non-ascii 10 // characters without any segmentation fault or assertion failure. If your 11 // changes to clang frontend crashes this case, it is likely that you are mixing 12 // column index with byte index which are two totally different concepts. 13 14 // NOTE: This file is encoded in UTF-8 and intentionally contains some 15 // non-ASCII characters. 16 17 __attribute__((format(printf, 1, 2))) 18 extern int printf(const char *fmt, ...); 19 20 void test1(Unknown* b); // 21 // CHECK: unknown type name 'Unknown' 22 // CHECK-NEXT: void test1(Unknown* b); // ... 23 // CHECK-NEXT: {{^ \^$}} 24 25 void test2(Unknown* b); // 26 27 // CHECK: unknown type name 'Unknown' 28 // CHECK-NEXT: void test2(Unknown* b); // 29 // CHECK-NEXT: {{^ \^$}} 30 31 void test3() { 32 /* */ printf("%d", "s"); 33 } 34 // CHECK: format specifies type 'int' but the argument has type 'char *' 35 // CHECK-NEXT: ... */ printf("%d", "s"); 36 // CHECK-NEXT: {{^ ~~ \^~~$}} 37 // CHECK-NEXT: {{^ %s$}} 38
