[Bug ld/31179] RISC-V: The SET/ADD/SUB fix breaks ABI compatibility with 2.41 objects

[david.abdurachmanov at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=31179

--- Comment #2 from David Abdurachmanov <david.abdurachmanov at gmail dot com> 
---
To add some context here. Debian is using pre-2.42 bintuils, and GCC 13 failed
to build:

[..]
riscv64-linux-gnu-gdc-12 -no-pie -lstdc++   -g -DIN_GCC     -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wmissing-format-attribute -Wconditionally-supported
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings   -DHAVE_CONFIG_H -static-libstdc++ -static-libgcc 
-static-libphobos -o d21 \
        d/access.o d/aggregate.o d/aliasthis.o d/apply.o d/arrayop.o
d/arraytypes.o d/attrib.o d/ast_node.o d/astcodegen.o d/astenums.o
d/blockexit.o d/builtin.o d/canthrow.o d/chkformat.o d/clone.o
d/common-bitfields.o d/common-file.o d/common-outbuffer.o d/common-string.o
d/compiler.o d/cond.o d/constfold.o d/cparse.o d/cppmangle.o d/ctfeexpr.o
d/ctorflow.o d/dcast.o d/dclass.o d/declaration.o d/delegatize.o d/denum.o
d/dimport.o d/dinterpret.o d/dmacro.o d/dmangle.o d/dmodule.o d/doc.o
d/dscope.o d/dstruct.o d/dsymbol.o d/dsymbolsem.o d/dtemplate.o d/dtoh.o
d/dversion.o d/entity.o d/errors.o d/errorsink.o d/escape.o d/expression.o
d/expressionsem.o d/file_manager.o d/foreachvar.o d/func.o d/globals.o
d/gluelayer.o d/hdrgen.o d/iasm.o d/iasmgcc.o d/id.o d/identifier.o
d/impcnvtab.o d/imphint.o d/importc.o d/init.o d/initsem.o d/inline.o
d/intrange.o d/json.o d/lambdacomp.o d/lexer.o d/location.o d/mtype.o
d/mustuse.o d/nogc.o d/nspace.o d/ob.o d/objc.o d/opover.o d/optimize.o
d/parse.o d/parsetimevisitor.o d/permissivevisitor.o d/printast.o d/root-aav.o
d/root-array.o d/root-bitarray.o d/root-complex.o d/root-ctfloat.o
d/root-file.o d/root-filename.o d/root-hash.o d/root-longdouble.o
d/root-optional.o d/root-port.o d/root-region.o d/root-rmem.o
d/root-rootobject.o d/root-speller.o d/root-string.o d/root-stringtable.o
d/root-utf.o d/safe.o d/sapply.o d/semantic2.o d/semantic3.o d/sideeffect.o
d/statement.o d/statement_rewrite_walker.o d/statementsem.o d/staticassert.o
d/staticcond.o d/stmtstate.o d/target.o d/templateparamsem.o d/tokens.o
d/traits.o d/transitivevisitor.o d/typesem.o d/typinf.o d/utils.o d/visitor.o
d/d-attribs.o d/d-builtins.o d/d-codegen.o d/d-compiler.o d/d-convert.o
d/d-ctfloat.o d/d-diagnostic.o d/d-frontend.o d/d-gimplify.o d/d-incpath.o
d/d-lang.o d/d-longdouble.o d/d-port.o d/d-target.o d/decl.o d/expr.o
d/imports.o d/intrinsics.o d/modules.o d/runtime.o d/toir.o d/typeinfo.o
d/types.o riscv-d.o linux-d.o attribs.o libbackend.a main.o libcommon-target.a
libcommon.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a libcommon.a
../libcpp/libcpp.a   ../libbacktrace/.libs/libbacktrace.a
../libiberty/libiberty.a ../libdecnumber/libdecnumber.a  -lisl -lmpc -lmpfr
-lgmp -rdynamic  -lz -lzstd 
/usr/bin/ld: final size of uleb128 value at offset 0x1491 in .debug_loclists
from /usr/lib/gcc/riscv64-linux-gnu/12/libgphobos.a(aaA.o) exceeds available
space
/usr/lib/gcc/riscv64-linux-gnu/12/libgphobos.a(aaA.o): in function `.LLST1':
aaA.d:(.debug_loclists+0x1491): dangerous relocation: dangerous relocation
error
/usr/bin/ld: final size of uleb128 value at offset 0xe92 in .debug_loclists
from /usr/lib/gcc/riscv64-linux-gnu/12/libgphobos.a(deh.o) exceeds available
space
/usr/lib/gcc/riscv64-linux-gnu/12/libgphobos.a(deh.o): in function `.LLST1':
deh.d:(.debug_loclists+0xe92): dangerous relocation: dangerous relocation error
collect2: error: ld returned 1 exit status
make[5]: *** [../../src/gcc/d/Make-lang.in:236: d21] Error 1
make[5]: *** Waiting for unfinished jobs....
[..]

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