[LLVMbugs] [Bug 5270] New: llvm-g++: creates non-existing debuginfo line

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5270

           Summary: llvm-g++: creates non-existing debuginfo line
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: edwintorok at gmail.com
                CC: llvmbugs at cs.uiuc.edu


I wrote a new pass that tests debug info quality, and it found some errors when
compiling the nightly test, for example:

while processing instruction   call void
@_ZNSt8ios_base4InitC1Ev(%"struct.__gnu_cxx::new_allocator<int>"*
@_ZStL8__ioinit), !dbg !20
LLVM ERROR: dbgquality: line number 77 is out of range for file
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/Benchmarks/Shootout-C++//ary3.cpp

That file only has 32 lines
define internal void @_Z41__static_initialization_and_destruction_0ii(i32
%__initialize_p, i32 %__priority) {
...
call void @_ZNSt8ios_base4InitC1Ev(%"struct.__gnu_cxx::new_allocator<int>"*
@_ZStL8__ioinit), !dbg !1776
...
!1776 = metadata !{i32 77, i32 0, metadata !1771, null}

It looks like static initialization/destruction creates out-of-file lines.


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