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

1 files changed, 23 insertions, 0 deletions

diff --git a/clang/test/Analysis/exercise-ps.c b/clang/test/Analysis/exercise-ps.c
new file mode 100644
index 0000000..b592c33
--- /dev/null
+++ b/clang/test/Analysis/exercise-ps.c
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -verify %s
+//
+// Just exercise the analyzer on code that has at one point caused issues
+// (i.e., no assertions or crashes).
+
+
+static void f1(const char *x, char *y) {
+  while (*x != 0) {
+    *y++ = *x++;
+  }
+}
+
+// This following case checks that we properly handle typedefs when getting
+// the RvalueType of an ElementRegion.
+typedef struct F12_struct {} F12_typedef;
+typedef void* void_typedef;
+void_typedef f2_helper();
+static void f2(void *buf) {
+  F12_typedef* x;
+  x = f2_helper();
+  memcpy((&x[1]), (buf), 1); // expected-warning{{implicitly declaring library function 'memcpy' with type 'void *(void *, const void *}} \
+  // expected-note{{please include the header <string.h> or explicitly provide a declaration for 'memcpy'}}
+}