maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Add missing lvalue-to-rvalue conversion. 

llvm-svn: 143364
This commit is contained in:
Eli Friedman 2011-10-31 20:59:03 +00:00
parent dd78544d44
commit 90a2cdf1fb
2 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
clang/lib/Sema/SemaCast.cpp
View File

@ -529,6 +529,12 @@ CastsAwayConstness(Sema &Self, QualType SrcType, QualType DestType,
/// Refer to C++ 5.2.7 for details. Dynamic casts are used mostly for runtime-
/// checked downcasts in class hierarchies.
void CastOperation::CheckDynamicCast() {
if (ValueKind == VK_RValue && !isPlaceholder(BuiltinType::Overload)) {
SrcExpr = Self.DefaultFunctionArrayLvalueConversion(SrcExpr.take());
if (SrcExpr.isInvalid()) // if conversion failed, don't report another error
return;
}
QualType OrigSrcType = SrcExpr.get()->getType();
QualType DestType = Self.Context.getCanonicalType(this->DestType);

3
clang/test/SemaCXX/constant-expression-cxx11.cpp
View File

@ -197,6 +197,9 @@ constexpr bool s4 = &x >= &x;
constexpr bool s5 = &x < &x;
constexpr bool s6 = &x > &x;
constexpr S* sptr = &s;
constexpr bool dyncast = sptr == dynamic_cast<S*>(sptr);
using check = int[m1 + (m2<<1) + (m3<<2) + (m4<<3) + (m5<<4) + (m6<<5) +
(n1<<6) + (n2<<7) + (n7<<8) + (n8<<9) + (g1<<10) + (g2<<11) +
(s1<<12) + (s2<<13) + (s3<<14) + (s4<<15) + (s5<<16) + (s6<<17)];