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fix the more complex cases by actually codegen'ing the right expr :) 

llvm-svn: 67219
This commit is contained in:
Chris Lattner 2009-03-18 18:30:44 +00:00
parent 28bcf1a429
commit ab17fb2c98
2 changed files with 7 additions and 1 deletions
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2
clang/lib/CodeGen/CGExpr.cpp
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@ -1024,7 +1024,7 @@ LValue CodeGenFunction::EmitCastLValue(const CastExpr *E) {
// Casts are only lvalues when the source and destination types are the same.
llvm::Value *Temp = CreateTempAlloca(ConvertType(E->getType()));
EmitAnyExpr(E, Temp, false);
EmitAnyExpr(E->getSubExpr(), Temp, false);
return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
getContext().getObjCGCAttrKind(E->getType()));

6
clang/test/CodeGen/exprs.c
View File

@ -82,3 +82,9 @@ unsigned f1(void) {
union f3_x {int x; float y;};
int f3() {return ((union f3_x)2).x;}
union f4_y {int x; _Complex float y;};
_Complex float f4() {return ((union f4_y)(_Complex float)2.0).y;}
struct f5_a { int a; } f5_a;
union f5_z {int x; struct f5_a y;};
struct f5_a f5() {return ((union f5_z)f5_a).y;}