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))) 18extern int printf(const char *fmt, ...); 19 20void test1(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα 21// CHECK: unknown type name 'Unknown' 22// CHECK-NEXT: void test1(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα ααα... 23// CHECK-NEXT: {{^ \^$}} 24 25void test2(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα 26 27// CHECK: unknown type name 'Unknown' 28// CHECK-NEXT: void test2(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα 29// CHECK-NEXT: {{^ \^$}} 30 31void test3() { 32 /* αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s"); 33} 34// CHECK: format specifies type 'int' but the argument has type 'char *' 35// CHECK-NEXT: ...αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s"); 36// CHECK-NEXT: {{^ ~~ \^~~$}} 37// CHECK-NEXT: {{^ %s$}} 38