https://sourceware.org/bugzilla/show_bug.cgi?id=23304
Bug ID: 23304
Summary: ARM linker fails to combine identical typeinfo
sections
Product: binutils
Version: 2.31 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: nickc at redhat dot com
Target Milestone: ---
Target: ARM
Created attachment 11078
--> https://sourceware.org/bugzilla/attachment.cgi?id=11078&action=edit
testcase.
The ARM linker fails to combine identical typeinfo sections from different
compilation units.
To see this compile the source files in the attached testcase with:
g++ -c inst1.cpp inst2.cpp main.cpp
g++ inst1.o inst2.o main.o
For the ARM target this will produce messages like this:
ld-new: inst2.o:(.rodata+0x0): multiple definition of `typeinfo for
test_template<long, 2l>'; inst1.o:(.rodata+0x0): first defined here
Other targets, eg AArch64 and x86_64, do not have this problem.
This bug was originally reported alongside a memory exhaustion problem
in the Fedora version of the linker:
https://bugzilla.redhat.com/show_bug.cgi?id=1584711
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