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x86 BuildInsTabMemRefSizeInfoCache: don't read past end of instab

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This commit is contained in:
Jonas Maebe 2022-07-02 15:33:40 +02:00
parent 6a485065ba
commit 2ce3656ed3
1 changed files with 2 additions and 1 deletions
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3
compiler/x86/aasmcpu.pas
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@ -5033,7 +5033,8 @@ implementation
RegBCSTZMMSizeMask := 0;
ExistsMemRef := false;
while (insentry^.opcode=AsmOp) do
while (insentry<=@instab[high(instab)]) and
(insentry^.opcode=AsmOp) do
begin
MRefInfo := msiUnknown;