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// RUN: not %clang_cc1 -fsyntax-only -fmessage-length=75 -o /dev/null -x c < %s 2>&1 | FileCheck %s -strict-whitespace
// REQUIRES: utf8-capable-terminal
// Test case for the text diagnostics source column conversion crash.
// This test case tries to check the error diagnostic message printer, which is
// responsible to create the code snippet shorter than the message-length (in
// number of columns.)
//
// The error diagnostic message printer should be able to handle the non-ascii
// characters without any segmentation fault or assertion failure. If your
// changes to clang frontend crashes this case, it is likely that you are mixing
// column index with byte index which are two totally different concepts.
// NOTE: This file is encoded in UTF-8 and intentionally contains some
// non-ASCII characters.
__attribute__((format(printf, 1, 2)))
extern int printf(const char *fmt, ...);
void test1(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα
// CHECK: unknown type name 'Unknown'
// CHECK-NEXT: void test1(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα ααα...
// CHECK-NEXT: {{^ \^$}}
void test2(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα
// CHECK: unknown type name 'Unknown'
// CHECK-NEXT: void test2(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα
// CHECK-NEXT: {{^ \^$}}
void test3() {
/* αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s");
}
// CHECK: format specifies type 'int' but the argument has
// CHECK: type 'char *'
// CHECK-NEXT: ...αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s");
// CHECK-NEXT: {{^ ~~ \^~~$}}
// CHECK-NEXT: {{^ %s$}}
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