[llvm-bugs] [Bug 25823] New: "error in backend" with -mno-sse

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Dec 14 10:06:41 PST 2015


            Bug ID: 25823
           Summary: "error in backend" with -mno-sse
           Product: clang
           Version: 3.7
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: jonas at lophus.org
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15443
  --> https://llvm.org/bugs/attachment.cgi?id=15443&action=edit
Test file source

$ cc -Wall -Wextra test.cpp -S -mno-sse
fatal error: error in backend: SSE register return with SSE disabled
clang: error: clang frontend command failed with exit code 70 (use -v to see
Apple LLVM version 7.0.2 (clang-700.1.81)
Target: x86_64-apple-darwin15.0.0
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://developer.apple.com/bugreporter/ and include the crash backtrace,
preprocessed source, and associated run script.
clang: note: diagnostic msg:

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