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Check that tai returned by GetNextInstruction is really a taicpu object before using an explicit typecast

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This commit is contained in:
Pierre Muller 2023-11-06 17:03:05 +00:00
parent d1a12846ba
commit d53af12a6d
1 changed files with 1 additions and 1 deletions
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compiler/x86/aoptx86.pas
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@ -4535,7 +4535,7 @@ unit aoptx86;
end end
else if (taicpu(hp2).oper[0]^.typ = top_ref) and else if (taicpu(hp2).oper[0]^.typ = top_ref) and
GetNextInstruction(hp2, hp4) and GetNextInstruction(hp2, hp4) and
(taicpu(hp4).opcode = A_MOV) then (hp4 is taicpu) and (taicpu(hp4).opcode = A_MOV) then
{ Optimise the following first: { Optimise the following first:
movl [mem1],reg1 movl [mem1],reg1
movl [mem1],reg2 movl [mem1],reg2