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1e0affb6e5
Summary: Fixed extraneous matches of non-NullStmt Reviewers: aaron.ballman, rsmith, efriedma, xbolva00 Reviewed By: aaron.ballman, rsmith, xbolva00 Subscribers: riccibruno, arphaman, ziangwan, ojeda, xbolva00, nickdesaulniers, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64838 llvm-svn: 369414
25 lines
1015 B
C
25 lines
1015 B
C
// RUN: %clang_cc1 -fsyntax-only -std=gnu89 -verify -Wimplicit-fallthrough %s
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// RUN: %clang_cc1 -fsyntax-only -std=gnu99 -verify -Wimplicit-fallthrough %s
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// RUN: %clang_cc1 -fsyntax-only -std=c99 -verify -Wimplicit-fallthrough %s
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// RUN: %clang_cc1 -fsyntax-only -std=c11 -verify -Wimplicit-fallthrough %s
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// RUN: %clang_cc1 -fsyntax-only -std=c2x -DC2X -verify -Wimplicit-fallthrough %s
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int fallthrough_attribute_spelling(int n) {
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switch (n) {
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case 0:
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n++;
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case 1:
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#if defined(C2X)
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// expected-warning@-2{{unannotated fall-through between switch labels}} expected-note@-2{{insert '[[fallthrough]];' to silence this warning}} expected-note@-2{{insert 'break;' to avoid fall-through}}
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#else
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// expected-warning@-4{{unannotated fall-through between switch labels}} expected-note@-4{{insert '__attribute__((fallthrough));' to silence this warning}} expected-note@-4{{insert 'break;' to avoid fall-through}}
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#endif
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n++;
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__attribute__((fallthrough));
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case 2:
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n++;
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break;
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}
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return n;
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}
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