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

1 files changed, 60 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/condition.cpp b/clang/test/SemaCXX/condition.cpp
new file mode 100644
index 0000000..993f8e1
--- /dev/null
+++ b/clang/test/SemaCXX/condition.cpp
@@ -0,0 +1,60 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s 
+
+void test() {
+  int x;
+  if (x) ++x;
+  if (int x=0) ++x;
+
+  typedef int arr[10];
+  while (arr x=0) ; // expected-error {{an array type is not allowed here}} expected-error {{array initializer must be an initializer list}}
+  while (int f()=0) ; // expected-warning {{interpreted as a function declaration}} expected-note {{initializer}} expected-error {{a function type is not allowed here}}
+
+  struct S {} s;
+  if (s) ++x; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
+  while (struct S x=s) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
+  do ; while (s); // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
+  for (;s;) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
+  switch (s) {} // expected-error {{statement requires expression of integer type ('struct S' invalid)}}
+
+  while (struct NewS *x=0) ;
+  while (struct S {} *x=0) ; // expected-error {{types may not be defined in conditions}}
+  while (struct {} *x=0) ; // expected-error {{types may not be defined in conditions}}
+  switch (enum {E} x=0) ; // expected-error {{types may not be defined in conditions}} expected-error {{cannot initialize}} \
+  // expected-warning{{enumeration value 'E' not handled in switch}} expected-warning {{switch statement has empty body}} \
+  // expected-note{{put the semicolon on a separate line}}
+
+  if (int x=0) { // expected-note 2 {{previous definition is here}}
+    int x;  // expected-error {{redefinition of 'x'}}
+  }
+  else
+    int x;  // expected-error {{redefinition of 'x'}}
+  while (int x=0) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
+  while (int x=0) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
+  for (int x; int x=0; ) ; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
+  for (int x; ; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
+  for (; int x=0; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
+  for (; int x=0; ) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
+  switch (int x=0) { default: int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
+}
+
+int* get_int_ptr();
+
+void test2() {
+  float *ip;
+  if (int *ip = ip) {
+  }
+}
+
+// Make sure we do function/array decay.
+void test3() {
+  if ("help")
+    (void) 0;
+
+  if (test3) // expected-warning {{address of function 'test3' will always evaluate to 'true'}} \
+                expected-note {{prefix with the address-of operator to silence this warning}}
+    (void) 0;
+}
+
+void test4(bool (&x)(void)) {
+  while (x);
+}