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| -rw-r--r-- | aclocal.m4 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index 25ecc49a2..0193c3dcc 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -21,6 +21,16 @@ int main(int argc, char **argv) { double m = l / 0.5; long long int n = argc * 12345LL, o = 12345LL * (long long int)argc; printf("%d %d %d %f %f %lld %lld\n", i, j, k, l, m, n, o); + /* + * Test fallthrough behaviour. clang 10's -Wimplicit-fallthrough does + * not understand comments and we don't use the "fallthrough" attribute + * that it's looking for. + */ + switch(i){ + case 0: j += i; + /* FALLTHROUGH */ + default: j += k; + } exit(0); } ]])], |