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* m68k/n68kmat.pas, tm68knotnode.pass_generate_code:

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It is a bad idea (TM) to do a second_pass twice on the same node
* added test

git-svn-id: trunk@22785 -
This commit is contained in:
svenbarth 2012-10-20 18:23:35 +00:00
parent 5bfca6634e
commit 72a01f17f5
3 changed files with 50 additions and 2 deletions
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1
.gitattributes vendored
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@ -9661,6 +9661,7 @@ tests/tbs/tb0581.pp svneol=native#text/plain
tests/tbs/tb0582.pp svneol=native#text/pascal
tests/tbs/tb0583.pp svneol=native#text/plain
tests/tbs/tb0583a.pp svneol=native#text/plain
tests/tbs/tb0584.pp svneol=native#text/pascal
tests/tbs/tb205.pp svneol=native#text/plain
tests/tbs/ub0060.pp svneol=native#text/plain
tests/tbs/ub0069.pp svneol=native#text/plain

11
compiler/m68k/n68kmat.pas
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@ -69,6 +69,7 @@ implementation
var
hl : tasmlabel;
opsize : tcgsize;
seconddone : boolean;
begin
opsize:=def_cgsize(resultdef);
if is_boolean(resultdef) then
@ -77,7 +78,12 @@ implementation
{ if it is a register variable, so we've to do }
{ this before the case statement }
if left.location.loc<>LOC_JUMP then
secondpass(left);
begin
secondpass(left);
seconddone:=true;
end
else
seconddone:=false;
case left.location.loc of
LOC_JUMP :
@ -86,7 +92,8 @@ implementation
hl:=current_procinfo.CurrTrueLabel;
current_procinfo.CurrTrueLabel:=current_procinfo.CurrFalseLabel;
current_procinfo.CurrFalseLabel:=hl;
secondpass(left);
if not seconddone then
secondpass(left);
maketojumpbool(current_asmdata.CurrAsmList,left,lr_load_regvars);
hl:=current_procinfo.CurrTrueLabel;
current_procinfo.CurrTrueLabel:=current_procinfo.CurrFalseLabel;

40
tests/tbs/tb0584.pp Normal file
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@ -0,0 +1,40 @@
{ %NORUN }
program tb0584;
{$mode objfpc}
type
TSomeObj = class
function Test(s: String): TObject;
end;
TSomeOtherObj = class
public
function GetFoo: String;
end;
function TSomeObj.Test(s: String): TObject;
begin
end;
function TSomeOtherObj.GetFoo: String;
begin
end;
var
SomeObj: TSomeObj;
procedure Test;
var
b: Boolean;
obj: TSomeOtherObj;
begin
b := not Assigned(SomeObj.Test(obj.GetFoo));
end;
begin
end.