[llvm-bugs] [Bug 37182] New: Assertion `HasHungOffUses && "alloc must have hung off uses"' failed.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37182

            Bug ID: 37182
           Summary: Assertion `HasHungOffUses && "alloc must have hung off
                    uses"' failed.
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: blitzrakete at gmail.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 20204
  --> https://bugs.llvm.org/attachment.cgi?id=20204&action=edit
crash log

I get this assertion when I enable optimization (-O1, -O2, -O3, -Ofast, -Os or
-Og but not -O0 or nothing) for almost every program. This is one of them:

#include <iostream>

int main() {
  std::cout << "Hello World\n";
}

The CodeGen tests fail miserably as a result too.
I attached the log crash for that hello word program and with -03.

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