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Tighten up the determination of whether a function declaration has a 

prototype. Thanks Eli!

llvm-svn: 67533
This commit is contained in:
Douglas Gregor 2009-03-23 16:26:51 +00:00
parent 6ad3bc2e7f
commit d6b05f705b
2 changed files with 10 additions and 1 deletions
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2
clang/lib/Sema/SemaDecl.cpp
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@ -1895,7 +1895,7 @@ Sema::ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC,
bool HasPrototype = bool HasPrototype =
getLangOptions().CPlusPlus || getLangOptions().CPlusPlus ||
(D.getNumTypeObjects() && D.getTypeObject(0).Fun.hasPrototype) || (D.getNumTypeObjects() && D.getTypeObject(0).Fun.hasPrototype) ||
!isa<FunctionType>(R.getTypePtr()); (!isa<FunctionType>(R.getTypePtr()) && R->isFunctionProtoType());
NewFD = FunctionDecl::Create(Context, DC, NewFD = FunctionDecl::Create(Context, DC,
D.getIdentifierLoc(), D.getIdentifierLoc(),

9
clang/test/Sema/function-redecl.c
View File

@ -116,3 +116,12 @@ extern __typeof (h1) h1 __attribute__((__sentinel__));
void i0 (unsigned short a0); void i0 (unsigned short a0);
extern __typeof (i0) i1; extern __typeof (i0) i1;
extern __typeof (i1) i1; extern __typeof (i1) i1;
typedef int a();
typedef int a2(int*);
a x;
a2 x2;
void test_x() {
x(5);
x2(5); // expected-warning{{incompatible integer to pointer conversion passing 'int', expected 'int *'}}
}