[llvm-bugs] [Bug 35707] New: Seemingly infinite loop after too many errors emitted, stopping (-f openmp)

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35707

            Bug ID: 35707
           Summary: Seemingly infinite loop after too many errors emitted,
                    stopping (-f openmp)
           Product: clang
           Version: 5.0
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: ruttenberg at reservoir.com
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org

Created attachment 19581
  --> https://bugs.llvm.org/attachment.cgi?id=19581&action=edit
Reproducer

Compile the attached with:

clang /home/ruttenberg/reservoir/px/gcc-obj/gcc/testsuite/gcc.dg/gomp/macro-4.c
  -fopenmp -S -o macro-4.s    

For me this does not terminate.  Reproduces on Ubuntu 16.02 with clang-4.0 from
Ubuntu packages and also from a recent 5.0 source snapshot.

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