[Bug ld/27192] New: conflicting CPU architectures 10/16 error on ARM

[na.vrchol.a.zpet at email dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=27192

            Bug ID: 27192
           Summary: conflicting CPU architectures 10/16 error on ARM
           Product: binutils
           Version: 2.34
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: na.vrchol.a.zpet at email dot cz
  Target Milestone: ---

Created attachment 13124
  --> https://sourceware.org/bugzilla/attachment.cgi?id=13124&action=edit
A complete test project for Windows

The armv8-m.base and armv8-m.main architectures cannot be mixed with others
(armv4t through armv7m) when multilinking, even though the entry point is set
(through the provided linker script) to a code compiled under a specific
architecture and --gc-sections should discard unused code for other
architectures, unless unsupported on these new architectures.

I'm on a Windows 10 machine, using bleeding edge toolchain
(https://freddiechopin.info/en/download/category/11-bleeding-edge-toolchain?download=186%3Ableeding-edge-toolchain-200517-64-bit-windows)
with gcc-10.1.0.

See the attached test project with assembler sources (/src), compiled objects
(/out), linker scripts (/script), and linker commands (ld.cmd). In the ld.cmd,
you can change where the toolchain and test project are located, the defaults
are C:/gcc-10.1.0/arm-none-eabi/bin and C:/ld.

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