[Bug ld/30198] New: Assertion fail when linking elf and coff together

[medhefgo at web dot de]

https://sourceware.org/bugzilla/show_bug.cgi?id=30198

            Bug ID: 30198
           Summary: Assertion fail when linking elf and coff together
           Product: binutils
           Version: 2.40
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: medhefgo at web dot de
  Target Milestone: ---

I know the following makes no sense to do, but it should error out instead of
crashing.

$ uname -a
Linux debian-amd64 6.1.14-1-lts #1 SMP PREEMPT_DYNAMIC Sat, 25 Feb 2023
11:02:38 +0000 x86_64 GNU/Linux

$ cat test1.c 
void a(void) { __builtin_printf("a"); }

$ cat test2.c 
void a(void);
int main(int argc, char *argv[]) { a(); }

$ clang -target x86_64-windows-gnu -c test1.c -o test1.o

$ clang -o test test1.o test2.c 
/usr/bin/ld: warning: test1.o: missing .note.GNU-stack section implies
executable stack
/usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future
version of the linker
/usr/bin/ld: BFD (GNU Binutils for Debian) 2.40 assertion fail
../../bfd/reloc.c:8632
test1.o:test1.c:(.pdata+0x0): dangerous relocation: clang: error: unable to
execute command: Segmentation fault (core dumped)
clang: error: linker command failed due to signal (use -v to see invocation)

$ clang -fuse-ld=lld -o test test1.o test2.c 
ld.lld: error: test1.o: unknown file type
clang: error: linker command failed with exit code 1 (use -v to see invocation)

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