1Check that the linker behaves when you have multiple 2PDB files with the same Guid. This was first a problem 3with Visual Studio 2022 that shipped PDB's with Guid's 4that was set to FFFFFF... 5 6RUN: rm -rf %t && mkdir -p %t && cd %t 7RUN: yaml2obj %p/Inputs/pdb-type-server-guid-collision-a.yaml -o a.obj 8RUN: yaml2obj %p/Inputs/pdb-type-server-guid-collision-b.yaml -o b.obj 9RUN: sed s/b.pdb/c.pdb/ %S/Inputs/pdb-type-server-guid-collision-b.yaml | sed s/b.obj/c.obj/ | sed s/bar_gv/rab_gv/ | sed s/Bar/Rab/ | yaml2obj > c.obj 10RUN: llvm-pdbutil yaml2pdb %S/Inputs/pdb-type-server-guid-collision-a-pdb.yaml -pdb a.pdb 11RUN: llvm-pdbutil yaml2pdb %S/Inputs/pdb-type-server-guid-collision-b-pdb.yaml -pdb b.pdb 12RUN: sed s/b.pdb/c.pdb/ %S/Inputs/pdb-type-server-guid-collision-b-pdb.yaml | sed s/bar_gv/rab_gv/ | sed s/Bar/Rab/ | llvm-pdbutil yaml2pdb - -pdb c.pdb 13RUN: lld-link b.obj a.obj c.obj -out:collision.dll /debug:ghash -pdb:collision.pdb -nodefaultlib /noentry /dll 14RUN: lld-link a.obj b.obj c.obj -out:collision.dll /debug:noghash -pdb:collision_noghash.pdb -nodefaultlib /noentry /dll 15RUN: llvm-pdbutil dump -globals collision.pdb | FileCheck %s 16RUN: llvm-pdbutil dump -globals collision_noghash.pdb | FileCheck %s 17 18CHECK-LABEL: Global Symbols 19CHECK: ============================================================ 20 21CHECK-DAG: {{[0-9]+}} | S_GDATA32 [size = 24] `rab_gv` 22CHECK-NEXT: type = {{[^\s]+}} (Rab), addr = 0002:{{[0-9]+}} 23CHECK-DAG: {{[0-9]+}} | S_GDATA32 [size = 24] `bar_gv` 24CHECK-NEXT: type = {{[^\s]+}} (Bar), addr = 0002:{{[0-9]+}} 25CHECK-DAG: {{[0-9]+}} | S_GDATA32 [size = 24] `foo_gv` 26CHECK-NEXT: type = {{[^\s]+}} (Foo), addr = 0002:{{[0-9]+}} 27