diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/opt/nrv14.C')
-rw-r--r-- | gcc/testsuite/g++.dg/opt/nrv14.C | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/nrv14.C b/gcc/testsuite/g++.dg/opt/nrv14.C new file mode 100644 index 000000000..22526d6b5 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/nrv14.C @@ -0,0 +1,39 @@ +// PR c++/32992 +// { dg-do run } +// { dg-options "-O2" } + +extern "C" void abort (void); + +struct A +{ + long int a1; + long int a2; + long int a3; +}; + +struct B +{ + long int f[3]; + operator A () + { + union + { + long int t[3]; + A a; + }; + for (int i = 0; i < 3; i++) + t[i] = f[i]; + return a; + } +}; + +int +main () +{ + B b = { {1, 3, 5} }; + A a = b; + + if (a.a1 != b.f[0] || a.a2 != b.f[1] || a.a3 != b.f[2]) + abort (); + return 0; +} |