[LLVMbugs] [Bug 22635] -fdefine-sized-deallocation causes multiple symbol defintion errors on windows (mingw target)

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Feb 19 13:00:57 PST 2015


Reid Kleckner <rnk at google.com> changed:

           What    |Removed                     |Added
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #3 from Reid Kleckner <rnk at google.com> ---
It's actually still broken for any PE/COFF target. This is my test case:

$ cat t.cpp
struct A {
  int a;
int FOO() {
  A *p = new A;
  delete p;
  return 0;

$ clang -fdefine-sized-deallocation -std=c++14 -c t.cpp -DFOO=foo -o t1.o &&
clang -fdefine-sized-deallocation -std=c++14 -c t.cpp -DFOO=main -o t2.o &&
clang t1.o t2.o -o t.exe
t2.o : error LNK2005: "void __cdecl operator delete(void *,unsigned int)"
(??3 at YAXPAXI@Z) already defined in t1.o
t.exe : fatal error LNK1169: one or more multiply defined symbols found
clang.exe: error: linker command failed with exit code 1169 (use -v to see

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