Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/c2x-attr-fallthrough-4.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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/* Test C2x fallthrough attribute: duplicates. */ /* { dg-do compile } */ /* { dg-options "-std=c2x -pedantic-errors" } */ int f (int a) { switch (a) { case 1: a++; [[fallthrough, __fallthrough__]]; /* { dg-error "can appear at most once" } */ case 2: a++; /* Separate attribute lists in the same attribute specifier sequence, with the same attribute in them, are OK (but receive a warning). */ [[fallthrough]] [[fallthrough]]; /* { dg-warning "specified multiple times" } */ case 3: a++; } return a; }