https://sourceware.org/bugzilla/show_bug.cgi?id=18440
Bug ID: 18440
Summary: ICF depends on the section name to detect constructors
and destructors
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: gold
Assignee: ccoutant at gmail dot com
Reporter: rafael.espindola at gmail dot com
CC: ian at airs dot com, tmsriram at google dot com
Target Milestone: ---
ICF has the following logic
// With --icf=safe, check if the mangled function name is a ctor
// or a dtor. The mangled function name can be obtained from the
// section name by stripping the section prefix.
if (parameters->options().icf_safe_folding()
&& !is_function_ctor_or_dtor(section_name)
&& (!target.can_check_for_function_pointers()
|| section_has_function_pointers(*p, i)))
{
continue;
}
This unfortunately doesn't work if the compiler avoids producing the long
section names (as llvm now can).
Is there a convenient pass over the symbols that could be used for this
instead?
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