[PATCH] D24323: [asan] Test that asan does not report use-after-scope if program jumped over variable declaration.

[Vitaly Buka via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL280908: [asan] Test that asan does not report use-after-scope if program jumped over… (authored by vitalybuka).

Changed prior to commit:
  https://reviews.llvm.org/D24323?vs=70617&id=70651#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D24323

Files:
  compiler-rt/trunk/test/asan/TestCases/use-after-scope-goto.c

Index: compiler-rt/trunk/test/asan/TestCases/use-after-scope-goto.c
===================================================================
--- compiler-rt/trunk/test/asan/TestCases/use-after-scope-goto.c
+++ compiler-rt/trunk/test/asan/TestCases/use-after-scope-goto.c
@@ -0,0 +1,21 @@
+// RUN: %clang_asan -O0 -fsanitize-address-use-after-scope %s -o %t && %run %t
+
+// Function jumps over variable initialization making lifetime analysis
+// ambiguous. Asan should ignore such variable and program must not fail.
+
+int *ptr;
+
+void f(int cond) {
+  if (cond)
+    goto label;
+  int tmp = 1;
+
+label:
+  ptr = &tmp;
+  *ptr = 5;
+}
+
+int main() {
+  f(1);
+  return 0;
+}


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