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| author | Richard Biener <rguenther@suse.de> | 2017-12-14 15:08:09 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-12-14 15:08:09 +0000 |
| commit | 5bc2904510bf9a10bd4524997750e4eb5bac8f21 (patch) | |
| tree | d1b247d46eff0c1911de5663fdd09a8efb9d419e | |
| parent | bb00f5e7b63831af544e928c51ca049ddc4ac6f0 (diff) | |
| download | gcc-5bc2904510bf9a10bd4524997750e4eb5bac8f21.zip gcc-5bc2904510bf9a10bd4524997750e4eb5bac8f21.tar.gz gcc-5bc2904510bf9a10bd4524997750e4eb5bac8f21.tar.bz2 | |
re PR tree-optimization/65258 (Wrong array bounds warning)
2017-12-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/65258
* gcc.dg/Warray-bounds-23.c: New testcase.
From-SVN: r255641
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/Warray-bounds-23.c | 15 |
2 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index bc9fa99..981c3a2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-12-14 Richard Biener <rguenther@suse.de> + + PR tree-optimization/65258 + * gcc.dg/Warray-bounds-23.c: New testcase. + 2017-12-14 Tom de Vries <tom@codesourcery.com> * lib/target-supports.exp (check_effective_target_weak_undefined): New diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-23.c b/gcc/testsuite/gcc.dg/Warray-bounds-23.c new file mode 100644 index 0000000..2addc35 --- /dev/null +++ b/gcc/testsuite/gcc.dg/Warray-bounds-23.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -Warray-bounds" } */ + +int main() +{ + unsigned i, j, a[10] = {0}; + + for (j = 23; j < 25; j++){ + for (i = j / 8; i --> 0;) a[i] = 0; /* { dg-bogus "array bounds" } */ + for (i = 1; i --> 0;) __builtin_printf("%u", a[i]); + } + + return 0; +} + |