https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98834

            Bug ID: 98834
           Summary: Code path incorrectly determined to be unreachable
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: kretz at kde dot org
  Target Milestone: ---
            Target: x86_64-pc-linux-gnu

Created attachment 50054
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50054&action=edit
test case

The attached testcase compiles to a main function without return statement, as
if the compiler determines the code path is unreachable.

Compile with -O2. If you compile with -O2 -fno-tree-vrp, the return statement
is emitted.

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