Add the clang library to the repo (with some of my changes, too).

1 files changed, 52 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/block-call.cpp b/clang/test/SemaCXX/block-call.cpp
new file mode 100644
index 0000000..d519911
--- /dev/null
+++ b/clang/test/SemaCXX/block-call.cpp
@@ -0,0 +1,52 @@
+// RUN: %clang_cc1 -x c++ -fsyntax-only -verify %s -fblocks
+
+int (*FP)();
+int (^IFP) ();
+int (^II) (int);
+int main() {
+  int (*FPL) (int) = FP; // expected-error {{cannot initialize a variable of type 'int (*)(int)' with an lvalue of type 'int (*)()'}} 
+
+  // For Blocks, the ASTContext::typesAreBlockCompatible() makes sure this is an error.
+  int (^PFR) (int) = IFP; // expected-error {{cannot initialize a variable of type 'int (^)(int)' with an lvalue of type 'int (^)()'}}
+  PFR = II;       // OK
+
+  int (^IFP) () = PFR; // OK
+
+
+  const int (^CIC) () = IFP; // OK -  initializing 'const int (^)()' with an expression of type 'int (^)()'}}
+
+  const int (^CICC) () = CIC;
+
+
+  int * const (^IPCC) () = 0;
+
+  int * const (^IPCC1) () = IPCC;
+
+  int * (^IPCC2) () = IPCC;       // expected-error  {{cannot initialize a variable of type 'int *(^)()' with an lvalue of type 'int *const (^)()'}}
+
+  int (^IPCC3) (const int) = PFR;
+
+  int (^IPCC4) (int, char (^CArg) (double));
+
+  int (^IPCC5) (int, char (^CArg) (double)) = IPCC4;
+
+  int (^IPCC6) (int, char (^CArg) (float))  = IPCC4; // expected-error {{cannot initialize a variable of type 'int (^)(int, char (^)(float))' with an lvalue of type}}
+
+  IPCC2 = 0;
+  IPCC2 = 1; 
+  int (^x)() = 0;
+  int (^y)() = 3;   // expected-error {{cannot initialize a variable of type 'int (^)()' with an rvalue of type 'int'}}
+  int a = 1;
+  int (^z)() = a+4;   // expected-error {{cannot initialize a variable of type 'int (^)()' with an rvalue of type 'int'}}
+}
+
+int blah() {
+  int (^IFP) (float);
+  char (^PCP)(double, double, char);
+
+  IFP(1.0);
+  IFP (1.0, 2.0); // expected-error {{too many arguments to block call}}
+
+  char ch = PCP(1.0, 2.0, 'a');
+  return PCP(1.0, 2.0);   // expected-error {{too few arguments to block}}
+}