Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/tree-ssa/pr22230.c @ 158:494b0b89df80 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
...
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 /* { dg-do run } */
kono
parents:
diff changeset
2 /* { dg-options "-O1 -ftree-vrp" } */
kono
parents:
diff changeset
3
kono
parents:
diff changeset
4 /* PR tree-optimization/22230
kono
parents:
diff changeset
5
kono
parents:
diff changeset
6 The meet of the ranges in "i*i" was not computed correctly, leading
kono
parents:
diff changeset
7 gcc to believe that a was equal to 0 after the loop. */
kono
parents:
diff changeset
8
kono
parents:
diff changeset
9 extern void abort (void) __attribute__((noreturn));
kono
parents:
diff changeset
10
kono
parents:
diff changeset
11 int main (void)
kono
parents:
diff changeset
12 {
kono
parents:
diff changeset
13 long a, i;
kono
parents:
diff changeset
14
kono
parents:
diff changeset
15 for (i = 0; i < 5; i++)
kono
parents:
diff changeset
16 a = i * i;
kono
parents:
diff changeset
17 if (a != 16)
kono
parents:
diff changeset
18 abort ();
kono
parents:
diff changeset
19 return 0;
kono
parents:
diff changeset
20 }
kono
parents:
diff changeset
21