Consider this program: $ cat a.c void g(int x) {} void f(int x); int main(int argc) { if (argc) { int x = 42; f(x); } else { int y = 13; f(y); } } $ cat b.c extern void g(); void f(int x) { if (x) { int y = x + 3; g(y); } else { int w = x + 4; g(w); } } This program is interesting because there are two TUs, and each TU has nested scopes. Make sure we get the right parent and end offsets. RUN: yaml2obj %S/Inputs/pdb-scopes-a.yaml -o %t-a.obj RUN: yaml2obj %S/Inputs/pdb-scopes-b.yaml -o %t-b.obj RUN: lld-link %t-a.obj %t-b.obj -debug -entry:main -nodefaultlib -out:%t.exe -pdb:%t.pdb RUN: llvm-pdbutil dump -symbols %t.pdb | FileCheck %s CHECK-LABEL: Mod 0000 | `{{.*}}pdb-scopes.test.tmp-a.obj`: CHECK: 104 | S_GPROC32 [size = 44] `g` CHECK: parent = 0, end = 196, addr = 0002:0000, code size = 5 CHECK: debug start = 4, debug end = 4, flags = none CHECK: 180 | S_REGREL32 [size = 16] `x` CHECK: 196 | S_END [size = 4] CHECK: 200 | S_GPROC32 [size = 44] `main` CHECK: parent = 0, end = 384, addr = 0002:0016, code size = 58 CHECK: debug start = 8, debug end = 53, flags = none CHECK: 276 | S_REGREL32 [size = 20] `argc` CHECK: 296 | S_BLOCK32 [size = 24] `` CHECK: parent = 200, end = 336 CHECK: code size = 17, addr = 0002:0031 CHECK: 320 | S_REGREL32 [size = 16] `x` CHECK: 336 | S_END [size = 4] CHECK: 340 | S_BLOCK32 [size = 24] `` CHECK: parent = 200, end = 380 CHECK: code size = 17, addr = 0002:0050 CHECK: 364 | S_REGREL32 [size = 16] `y` CHECK: 380 | S_END [size = 4] CHECK: 384 | S_END [size = 4] CHECK-LABEL: Mod 0001 | `{{.*}}pdb-scopes.test.tmp-b.obj`: CHECK: 104 | S_GPROC32 [size = 44] `f` CHECK: parent = 0, end = 284, addr = 0002:0080, code size = 62 CHECK: debug start = 8, debug end = 57, flags = none CHECK: 180 | S_REGREL32 [size = 16] `x` CHECK: 196 | S_BLOCK32 [size = 24] `` CHECK: parent = 104, end = 236 CHECK: code size = 20, addr = 0002:0095 CHECK: 220 | S_REGREL32 [size = 16] `y` CHECK: 236 | S_END [size = 4] CHECK: 240 | S_BLOCK32 [size = 24] `` CHECK: parent = 104, end = 280 CHECK: code size = 20, addr = 0002:0117 CHECK: 264 | S_REGREL32 [size = 16] `w` CHECK: 280 | S_END [size = 4] CHECK: 284 | S_END [size = 4] CHECK-LABEL: Mod 0002 | `* Linker *`: