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[Debug-Info] handle DW_CC_pass_by_value/DW_CC_pass_by_reference under strict…

Authored by Esme on Jun 4 2021, 1:14 AM.

Description

[Debug-Info] handle DW_CC_pass_by_value/DW_CC_pass_by_reference under strict DWARF.

Summary: When -strict-dwarf=true is specified, the calling convention info

DW_CC_pass_by_value or DW_CC_pass_by_reference can only be generated at DWARF5.

Reviewed By: shchenz, dblaikie

Differential Revision: https://reviews.llvm.org/D103300

Details