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author | Jeff Law <law@redhat.com> | 2006-05-02 19:54:20 +0000 |
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committer | Jeff Law <law@redhat.com> | 2006-05-02 19:54:20 +0000 |
commit | 1e0891484ebf02764aae9c6748238c3f7e7c6594 (patch) | |
tree | fb6626d3659e936c2efbe650999f417c6e9eb12a /gcc/testsuite/gcc.c-torture | |
parent | 7a3bc807c8f7682b2b1f100ab80e5e98c35f1be8 (diff) |
PR tree-optimization/27364
* tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
multiply expressions.
* gcc.c-torture/execute/pr27364.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@113481 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.c-torture')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr27364.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr27364.c b/gcc/testsuite/gcc.c-torture/execute/pr27364.c new file mode 100644 index 00000000000..aa608b2a2fe --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr27364.c @@ -0,0 +1,13 @@ +int f(unsigned number_of_digits_to_use) +{ + if (number_of_digits_to_use >1294) + return 0; + return (number_of_digits_to_use * 3321928 / 1000000 + 1) /16; +} + +int main(void) +{ + if (f(11) != 2) + __builtin_abort (); + exit (0); +} |