diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr33615.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr33615.C | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr33615.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr33615.C new file mode 100644 index 000000000..801b33447 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr33615.C @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fnon-call-exceptions -fdump-tree-lim1-details -w" } */ + +extern volatile int y; + +double +foo (double a, int x) +{ + while (x--) + { + y++; + a += 1.0 / 0.0; + } + return a; +} + +// The expression 1.0 / 0.0 should not be treated as a loop invariant +// if it may throw an exception. +// { dg-final { scan-tree-dump-times "invariant up to" 0 "lim1" } } +// { dg-final { cleanup-tree-dump "lim1" } } |