[clang] [clang-repl] fix vtable symbol duplication error (closes #141039) (PR #185648)

[Vipul Cariappa via cfe-commits]

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@@ -0,0 +1,19 @@
+// REQUIRES: host-supports-jit
+// RUN: cat %s | clang-repl | FileCheck %s
+// virtual functions defined outside of class had duplicate symbols:
+//     duplicate definition of symbol '__ZTV3Two' (i.e., vtable for Two)
+// see https://github.com/llvm/llvm-project/issues/141039.
+// fixed in PR #185648
+
+extern "C" int printf(const char *, ...);
+
+struct One { virtual void print() { printf("ONE\n"); } };
+One().print();
+// CHECK: ONE
+
+struct Two { virtual void print(); };
+void Two::print() { printf("TWO\n"); }
+Two().print();
+// CHECK: TWO
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Vipul-Cariappa wrote:

Can we have a test with more than 1 virtual function.

https://github.com/llvm/llvm-project/pull/185648