diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr22230.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr22230.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c b/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c new file mode 100644 index 000000000..4d6534909 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c @@ -0,0 +1,21 @@ +/* { dg-do run } */ +/* { dg-options "-O1 -ftree-vrp" } */ + +/* PR tree-optimization/22230 + + The meet of the ranges in "i*i" was not computed correctly, leading + gcc to believe that a was equal to 0 after the loop. */ + +extern void abort (void) __attribute__((noreturn)); + +int main (void) +{ + long a, i; + + for (i = 0; i < 5; i++) + a = i * i; + if (a != 16) + abort (); + return 0; +} + |