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Give an error for sizeof(bitfield).

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This violates a constraint in the standards (C17 6.5.3.4 p1).
This commit is contained in:
Stephen Heumann 2023-05-07 18:28:31 -05:00
parent c2262929e9
commit c8517eff87
1 changed files with 6 additions and 1 deletions
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7
Expression.pas
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@ -1712,12 +1712,16 @@ var
if op^.token.kind = sizeofsy then begin
op^.token.kind := ulongConst;
op^.token.class := longConstant;
if op^.left^.token.kind = stringConst then
kindLeft := op^.left^.token.kind;
if kindLeft = stringConst then
op^.token.lval := op^.left^.token.sval^.length
else begin
lCodeGeneration := codeGeneration;
codeGeneration := false;
GenerateCode(op^.left);
if kindLeft = dotch then
if isBitfield then
Error(49);
codeGeneration := lCodeGeneration and (numErrors = 0);
op^.token.lval := expressionType^.size;
with expressionType^ do
@ -4690,6 +4694,7 @@ case tree^.token.kind of
dotch: begin {.}
LoadAddress(tree^.left, checkNullPointers);
isBitfield := false;
lType := expressionType;
if lType^.kind in [arrayType,pointerType,structType,unionType] then begin
if lType^.kind = arrayType then