shafik added a comment.
Example as requested, using the same code from
`clang/test/CodeGenCXX/debug-info-block-invocation-linkage-name.cpp` the DWARF
for block created in `f()` and passed to `g()` as an argument changes from:
0x00000052: DW_TAG_subprogram
DW_AT_low_pc (0x0000000000000060)
DW_AT_high_pc (0x0000000000000089)
DW_AT_frame_base (DW_OP_reg6 RBP)
DW_AT_name ("___Z1fU13block_pointerFviE_block_invoke")
DW_AT_decl_file ("block_demangle_3.cpp")
DW_AT_decl_line (4)
to
0x00000056: DW_TAG_subprogram
DW_AT_low_pc (0x0000000000000060)
DW_AT_high_pc (0x000000000000008c)
DW_AT_frame_base (DW_OP_reg6 RBP)
DW_AT_linkage_name
("___Z1fU13block_pointerFviE_block_invoke")
DW_AT_decl_file ("block_demangle_3.cpp")
DW_AT_decl_line (4)
With the only change being that the mangled name
`___Z1fU13block_pointerFviE_block_invoke` instead of ended up in `DW_AT_name`
end up in `DW_AT_linkage_name`
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D73282/new/
https://reviews.llvm.org/D73282
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