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Be sure to select primary bases among the nearly empties in preorder, 

not just among the direct bases.  Before we where missing nearly
empties that were bases of virtual base classes.

llvm-svn: 94208
This commit is contained in:
Mike Stump 2010-01-22 20:27:17 +00:00
parent 862023fcb2
commit 0a2754ed8a
2 changed files with 44 additions and 0 deletions
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5
clang/lib/AST/RecordLayoutBuilder.cpp
View File

@ -119,6 +119,11 @@ ASTRecordLayoutBuilder::SelectPrimaryVBase(const CXXRecordDecl *RD,
return;
}
}
if (i->isVirtual()) {
SelectPrimaryVBase(Base, FirstPrimary);
if (PrimaryBase.getBase())
return;
}
}
}

39
clang/test/CodeGenCXX/virt.cpp
View File

@ -1091,6 +1091,45 @@ struct test22_D : test22_s3 { virtual void dtor() { } };
// CHECK-LP64-NEXT: .quad __ZThn8_N8test22_D4dtorEv
class test23_s1 {
virtual void fun1(char *t) { }
};
class test23_s2 {
virtual void fun2(char *t) { }
};
class test23_s3 {
virtual void fun3(char *t) { }
};
class test23_s4: virtual test23_s1, test23_s2, test23_s3 {
virtual void fun4(char *t) { }
};
class test23_D: virtual test23_s4 {
virtual void fun5(char *t) { }
};
// CHECK-LP64: __ZTV8test23_D:
// CHECK-LP64-NEXT: .quad 0
// CHECK-LP64-NEXT: .quad 8
// CHECK-LP64-NEXT: .quad 0
// CHECK-LP64-NEXT: .quad 0
// CHECK-LP64-NEXT: .quad __ZTI8test23_D
// CHECK-LP64-NEXT: .quad __ZN9test23_s14fun1EPc
// CHECK-LP64-NEXT: .quad __ZN8test23_D4fun5EPc
// CHECK-LP64-NEXT .quad 8
// CHECK-LP64: .quad 0
// CHECK-LP64-NEXT: .quad 0
// CHECK-LP64: .quad 18446744073709551608
// CHECK-LP64-NEXT: .quad 18446744073709551608
// CHECK-LP64-NEXT: .quad __ZTI8test23_D
// CHECK-LP64-NEXT: .quad __ZN9test23_s24fun2EPc
// CHECK-LP64-NEXT: .quad __ZN9test23_s44fun4EPc
// CHECK-LP64-NEXT: .quad 18446744073709551600
// CHECK-LP64-NEXT: .quad __ZTI8test23_D
// CHECK-LP64-NEXT: .quad __ZN9test23_s34fun3EPc
test23_D d23;
test22_D d22;
test21_D d21;
test20_D d20;