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/* { dg-do preprocess } */
/* { dg-options "-std=gnu99 -Wtrigraphs" } */
/* Test we don't double warn for trigraphs immediately after preceding
text. Source Neil Booth. 22 Nov 2000. */
abcdef??< /* { dg-warning "ignored" } */
123456??> /* { dg-warning "ignored" } */
+??= /* { dg-warning "ignored" } */
/* Test we warn of escaped newlines only in comments. Source Neil
Booth. 4 May 2003. */
/* { dg-bogus "ignored" } Test ??< ??= a few ??/ random things in
{ dg-warning "ignored" } some ??/
{ dg-bogus "ignored" } ??< comments. */
// { dg-bogus "ignored" } More ??/ comment ??> tests.
// { dg-warning "ignored" } Another ??/
Test
// { dg-warning "ignored" } And another with space after ??/
the escape
// { dg-bogus "ignored" } A tricky one ??/\
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