Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/g++.old-deja/g++.other/loop1.C @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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 "-O2" }
kono
parents:
diff changeset
3 // Test for bad loop optimization of goto fixups.
kono
parents:
diff changeset
4
kono
parents:
diff changeset
5 typedef bool (*ftype) ();
kono
parents:
diff changeset
6
kono
parents:
diff changeset
7 int c, d;
kono
parents:
diff changeset
8 struct A {
kono
parents:
diff changeset
9 A() { ++c; }
kono
parents:
diff changeset
10 A(const A&) { ++c; }
kono
parents:
diff changeset
11 ~A() { ++d; }
kono
parents:
diff changeset
12 };
kono
parents:
diff changeset
13
kono
parents:
diff changeset
14 void f (ftype func)
kono
parents:
diff changeset
15 {
kono
parents:
diff changeset
16 A a;
kono
parents:
diff changeset
17 do {
kono
parents:
diff changeset
18 if ((*func)()) return;
kono
parents:
diff changeset
19 } while (true);
kono
parents:
diff changeset
20 }
kono
parents:
diff changeset
21
kono
parents:
diff changeset
22 bool test ()
kono
parents:
diff changeset
23 {
kono
parents:
diff changeset
24 return true;
kono
parents:
diff changeset
25 }
kono
parents:
diff changeset
26
kono
parents:
diff changeset
27 main ()
kono
parents:
diff changeset
28 {
kono
parents:
diff changeset
29 f (test);
kono
parents:
diff changeset
30 return (c != d);
kono
parents:
diff changeset
31 }