diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/tree-ssa/pr22488.C')
-rw-r--r-- | gcc/testsuite/g++.dg/tree-ssa/pr22488.C | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr22488.C b/gcc/testsuite/g++.dg/tree-ssa/pr22488.C new file mode 100644 index 000000000..9063b067a --- /dev/null +++ b/gcc/testsuite/g++.dg/tree-ssa/pr22488.C @@ -0,0 +1,33 @@ +// PR tree-optimization/22488 +// This testcase is really a C++ FE bug in represnting virtual inheritance +// It gives the appearance to the middle end that the fields exist twice +// which resulted in a very confused structure analyzer +// { dg-do compile } +// { dg-options "-O" } +struct X +{ + int i0, i1; + char c; +}; + +struct A +{ + int i; + char c0, c1; + + virtual ~A(); +}; + +struct B : virtual A {}; + +struct C : B +{ + X x; + + void bar(X y) { x = y; } +}; + +void foo() +{ + C().bar(X()); +} |