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require that operands to __real/__imag are complex or arithmetic. This 

fixes GCC PR33193

llvm-svn: 41428
This commit is contained in:
Chris Lattner 2007-08-26 05:39:26 +00:00
parent b5e1262437
commit e267f5d2f7
2 changed files with 11 additions and 1 deletions
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10
clang/Sema/SemaExpr.cpp
View File

@ -283,9 +283,17 @@ ParseSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof,
QualType Sema::CheckRealImagOperand(Expr *&V, SourceLocation Loc) {
DefaultFunctionArrayConversion(V);
// These operators return the element type of a complex type.
if (const ComplexType *CT = V->getType()->getAsComplexType())
return CT->getElementType();
return V->getType();
// Otherwise they pass through real integer and floating point types here.
if (V->getType()->isArithmeticType())
return V->getType();
// Reject anything else.
Diag(Loc, diag::err_realimag_invalid_type, V->getType().getAsString());
return QualType();
}

2
clang/include/clang/Basic/DiagnosticKinds.def
View File

@ -610,6 +610,8 @@ DIAG(err_typecheck_arithmetic_incomplete_type, ERROR,
"arithmetic on pointer to incomplete type '%0'")
DIAG(err_typecheck_decl_incomplete_type, ERROR,
"variable has incomplete type '%0'")
DIAG(err_realimag_invalid_type, ERROR,
"invalid type '%0' to __real or __imag operator")
DIAG(err_typecheck_sclass_fscope, ERROR,
"illegal storage class on file-scoped variable")
DIAG(err_typecheck_sclass_func, ERROR,