Don't try to evaluate the LHS or RHS of a member pointer binary operation. Fixes PR8507.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117850 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 715d30e..61f5b13 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -1966,6 +1966,10 @@
return true;
}
+ // We can't evaluate pointer-to-member operations.
+ if (E->isPtrMemOp())
+ return false;
+
// FIXME: Diagnostics? I really don't understand how the warnings
// and errors are supposed to work.
APFloat RHS(0.0);
diff --git a/test/CodeGenCXX/pointers-to-data-members.cpp b/test/CodeGenCXX/pointers-to-data-members.cpp
index b2deb31..41c76d0 100644
--- a/test/CodeGenCXX/pointers-to-data-members.cpp
+++ b/test/CodeGenCXX/pointers-to-data-members.cpp
@@ -206,3 +206,14 @@
return x.*member;
}
}
+
+namespace PR8507 {
+
+struct S;
+void f(S* p, double S::*pm) {
+ if (0 < p->*pm) {
+ }
+}
+
+}
+