http://sourceware.org/bugzilla/show_bug.cgi?id=15025
Bug #: 15025
Summary: --enable-initfini-array creates .init_array where no
input has one
Product: binutils
Version: 2.23
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
When --enable-initfini-array then the linker script looks like
.init_array :
{
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)
SORT_BY_INIT_PRIORITY(.ctors.*)))
KEEP (*(.init_array))
KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o )
.ctors))
}
which means .init_array is unconditionally generated even if it is not present
in any input file (but only .ctors are). That's undesirable because it does
not preserve ordering in .ctors.
Testcase:
class X { public: X() {} };
X x;
int main(){}
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