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      1 ; From source:
      2 ; int f(int a, int b) {
      3 ;   return a   //
      4 ;          &&  //
      5 ;          b;
      6 ; }
      7 
      8 ; Check that the comparison of 'a' is attributed to line 2, not 3.
      9 
     10 ; CHECK: .loc{{ +}}1{{ +}}2
     11 ; CHECK-NOT: .loc{{ }}
     12 ; CHECK: cmp
     13 
     14 ; Function Attrs: nounwind uwtable
     15 define i32 @_Z1fii(i32 %a, i32 %b) #0 !dbg !4 {
     16 entry:
     17   %a.addr = alloca i32, align 4
     18   %b.addr = alloca i32, align 4
     19   store i32 %a, i32* %a.addr, align 4
     20   store i32 %b, i32* %b.addr, align 4
     21   %0 = load i32, i32* %a.addr, align 4, !dbg !10
     22   %tobool = icmp ne i32 %0, 0, !dbg !10
     23   br i1 %tobool, label %land.rhs, label %land.end, !dbg !11
     24 
     25 land.rhs:                                         ; preds = %entry
     26   %1 = load i32, i32* %b.addr, align 4, !dbg !12
     27   %tobool1 = icmp ne i32 %1, 0, !dbg !12
     28   br label %land.end
     29 
     30 land.end:                                         ; preds = %land.rhs, %entry
     31   %2 = phi i1 [ false, %entry ], [ %tobool1, %land.rhs ]
     32   %conv = zext i1 %2 to i32, !dbg !10
     33   ret i32 %conv, !dbg !13
     34 }
     35 
     36 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
     37 
     38 !llvm.dbg.cu = !{!0}
     39 !llvm.module.flags = !{!7, !8}
     40 !llvm.ident = !{!9}
     41 
     42 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 227472) (llvm/trunk 227476)", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
     43 !1 = !DIFile(filename: "line.cpp", directory: "/tmp/dbginfo")
     44 !2 = !{}
     45 !4 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
     46 !5 = !DIFile(filename: "line.cpp", directory: "/tmp/dbginfo")
     47 !6 = !DISubroutineType(types: !2)
     48 !7 = !{i32 2, !"Dwarf Version", i32 4}
     49 !8 = !{i32 2, !"Debug Info Version", i32 3}
     50 !9 = !{!"clang version 3.7.0 (trunk 227472) (llvm/trunk 227476)"}
     51 !10 = !DILocation(line: 2, scope: !4)
     52 !11 = !DILocation(line: 3, scope: !4)
     53 !12 = !DILocation(line: 4, scope: !4)
     54 !13 = !DILocation(line: 2, scope: !4)
     55