[llvm-bugs] [Bug 45209] New: Compiler crash

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45209

            Bug ID: 45209
           Summary: Compiler crash
           Product: new-bugs
           Version: 7.0
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: zhangch1020 at 126.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

Created attachment 23232
  --> https://bugs.llvm.org/attachment.cgi?id=23232&action=edit
my code

When I tried to compile a code, I triggered a compiler crash. The error report
is as follows:

I've added my code to the attachment.



fatal error: error in backend: Cannot emit physreg copy instruction

clang: error: clang frontend command failed with exit code 70 (use -v to see
invocation)

clang version 7.0.1-svn347285-1~exp1~20181124105316.38 (branches/release_70)

Target: x86_64-pc-linux-gnux32

Thread model: posix

InstalledDir: /usr/bin

clang: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.llvm.org/ and include the crash backtrace, preprocessed source,
and associated run script.

clang: note: diagnostic msg:

********************



PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:

Preprocessed source(s) and associated run script(s) are located at:

clang: note: diagnostic msg: /tmp/a-01fd61.cpp

clang: note: diagnostic msg: /tmp/a-01fd61.sh

clang: note: diagnostic msg:



********************

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