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

Fix rdar://6880874 - [sema] crash on array types with different index sizes 

llvm-svn: 71634
This commit is contained in:
Chris Lattner 2009-05-13 04:12:56 +00:00
parent 851eb927d7
commit e2df3f9fe5
2 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
clang/lib/AST/ASTContext.cpp
View File

@ -1133,9 +1133,14 @@ QualType ASTContext::getMemberPointerType(QualType T, const Type *Cls)
/// getConstantArrayType - Return the unique reference to the type for an
/// array of the specified element type.
QualType ASTContext::getConstantArrayType(QualType EltTy,
const llvm::APInt &ArySize,
const llvm::APInt &ArySizeIn,
ArrayType::ArraySizeModifier ASM,
unsigned EltTypeQuals) {
// Convert the array size into a canonical width matching the pointer size for
// the target.
llvm::APInt ArySize(ArySizeIn);
ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace()));
llvm::FoldingSetNodeID ID;
ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals);

11
clang/test/Sema/types.c
View File

@ -19,3 +19,14 @@ int b() {
int __int128_t;
int __uint128_t;
}
// Array type merging should convert array size to whatever matches the target
// pointer size.
// rdar://6880874
extern int i[1LL];
int i[(short)1];
enum e { e_1 };
extern int j[sizeof(enum e)]; // expected-note {{previous definition}}
int j[42]; // expected-error {{redefinition of 'j' with a different type}}