diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr28187.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr28187.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr28187.c b/gcc/testsuite/gcc.dg/pr28187.c new file mode 100644 index 000000000..bc3b62d33 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr28187.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O -ftree-vrp -fwrapv" } */ + +extern void bar(int); +void checkgroups(int last, int verbose) +{ + int window = 0; + int outstanding = 0; + while (window < last || outstanding) { + while (outstanding < 47 && window < last) { + if (window < last) { + outstanding++; + if (verbose) + bar(window); + bar(window++); + } + } + if (outstanding > 0) + bar(0); + } +} + |