[llvm-bugs] [Bug 33855] New: add support for icf=safe
llvm-bugs at lists.llvm.org
Wed Jul 19 14:20:35 PDT 2017
Bug ID: 33855
Summary: add support for icf=safe
Assignee: unassignedbugs at nondot.org
Reporter: llozano at chromium.org
CC: llvm-bugs at lists.llvm.org
This is a request to add --icf=safe or similar functionality.
This flag was identified as one of missing functionality while trying to build
android with LLD.
In talking to Rui Ueyama, he suggested the following:
"The plan we were discussing is to make clang emit attribute for each function
whether its address is taken or not, so that the linker can merge functions
only when their addresses are not taken."
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