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Properly do a float -> _Complex double conversion, fixes rdar://8875946. 

llvm-svn: 123759
This commit is contained in:
Argyrios Kyrtzidis 2011-01-18 18:49:33 +00:00
parent d763b3e014
commit e84389bf68
2 changed files with 8 additions and 1 deletions
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3
clang/lib/Sema/SemaExpr.cpp
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@ -528,7 +528,8 @@ QualType Sema::UsualArithmeticConversions(Expr *&lhsExpr, Expr *&rhsExpr,
if (order < 0) { // RHS is wider
// float -> _Complex double
if (!isCompAssign) {
ImpCastExprToType(lhsExpr, rhs, CK_FloatingCast);
QualType fp = cast<ComplexType>(rhs)->getElementType();
ImpCastExprToType(lhsExpr, fp, CK_FloatingCast);
ImpCastExprToType(lhsExpr, rhs, CK_FloatingRealToComplex);
}
return rhs;

6
clang/test/Sema/const-eval.c
View File

@ -80,3 +80,9 @@ EVAL_EXPR(38, __builtin_expect(1,1) == 1 ? 1 : -1)
// PR7884
EVAL_EXPR(39, __real__(1.f) == 1 ? 1 : -1)
EVAL_EXPR(40, __imag__(1.f) == 0 ? 1 : -1)
// rdar://8875946
void rdar8875946() {
double _Complex P;
float _Complex P2 = 3.3f + P;
}