For PLT expressions, we should subtract the PLT relocation size only for
jump instructions. Since PLT relocations are PC relative, we only allow
"symbol@PLT" in PLT expression.
gas/
PR gas/23997
* config/tc-i386.c (x86_cons): Check for invalid PLT expression.
(md_apply_fix): Subtract the PLT relocation size only for jump
instructions.
* testsuite/gas/i386/reloc32.s: Add test for invalid PLT
expression.
* testsuite/gas/i386/reloc64.s: Likewise.
* testsuite/gas/i386/ilp32/reloc64.s: Likewise.
* testsuite/gas/i386/reloc32.l: Updated.
* testsuite/gas/i386/reloc64.l: Likewise.
* testsuite/gas/i386/ilp32/reloc64.l: Likewise.