[LLVMbugs] [Bug 20318] New: Crash in llvm::DIEEntry::EmitValue

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Jul 16 00:29:17 PDT 2014


            Bug ID: 20318
           Summary: Crash in llvm::DIEEntry::EmitValue
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: jonas.wagner at epfl.ch
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12770
  --> http://llvm.org/bugs/attachment.cgi?id=12770&action=edit
Minimized testcase

I've encountered a Clang crash when compiling the Chrome browser with debug
information. Attached is a minimized testcase.

The bug seems to happen if compiling with debug information (-g) and at least
-O1. I've reproduced it with the testing branch of LLVM (google/testing for

Note that the C code is not conforming to the standard; it tries to call a
function with the wrong number of arguments. This shouldn't cause Clang to
crash, though...

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