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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
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// REQUIRES: utf8-capable-terminal
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// Test case for the text diagnostics source column conversion crash.
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// This test case tries to check the error diagnostic message printer, which is
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// responsible to create the code snippet shorter than the message-length (in
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// number of columns.)
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//
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// The error diagnostic message printer should be able to handle the non-ascii
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// characters without any segmentation fault or assertion failure. If your
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// changes to clang frontend crashes this case, it is likely that you are mixing
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// column index with byte index which are two totally different concepts.
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// NOTE: This file is encoded in UTF-8 and intentionally contains some
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// non-ASCII characters.
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__attribute__((format(printf, 1, 2)))
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extern int printf(const char *fmt, ...);
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void test1(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα
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// CHECK: unknown type name 'Unknown'
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// CHECK-NEXT: void test1(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα ααα...
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// CHECK-NEXT: {{^ \^$}}
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void test2(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα
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// CHECK: unknown type name 'Unknown'
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// CHECK-NEXT: void test2(Unknown* b); // αααα αααα αααα αααα αααα αααα αααα αααα αααα
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// CHECK-NEXT: {{^ \^$}}
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void test3() {
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/* αααα αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s");
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}
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// CHECK: format specifies type 'int' but the argument has
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// CHECK: type 'char *'
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// CHECK-NEXT: ...αααα αααα αααα αααα αααα αααα αααα αααα αααα */ printf("%d", "s");
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// CHECK-NEXT: {{^ ~~ \^~~$}}
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// CHECK-NEXT: {{^ %s$}}
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