diff options
| -rw-r--r-- | lib/Target/README.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index e63df536ae..6d42d812a0 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -1963,3 +1963,23 @@ bb3: ; preds = %entry ret i32 %b } //===---------------------------------------------------------------------===// + +clang -O3 fails to devirtualize this virtual inheritance case: (GCC PR45875) + +struct c1 {}; +struct c10 : c1{ + virtual void foo (); +}; +struct c11 : c10, c1{ + virtual void f6 (); +}; +struct c28 : virtual c11{ + void f6 (); +}; +void check_c28 () { + c28 obj; + c11 *ptr = &obj; + ptr->f6 (); +} + +//===---------------------------------------------------------------------===// |