vendor/compiler-rt/compiler-rt-trunk-r257626

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/profile/InstrProfilingFile.c b/lib/profile/InstrProfilingFile.c
index bf50c02761d3..68d088a1956a 100644
--- a/lib/profile/InstrProfilingFile.c
+++ b/lib/profile/InstrProfilingFile.c
@@ -214,6 +214,15 @@ int __llvm_profile_write_file(void) {
     return -1;
   }
 
+  /* Check if there is llvm/runtime version mismatch.  */
+  if (GET_VERSION(__llvm_profile_get_version()) != INSTR_PROF_RAW_VERSION) {
+    PROF_ERR("LLVM Profile: runtime and instrumentation version mismatch : "
+             "expected %d, but get %d\n",
+             INSTR_PROF_RAW_VERSION,
+             (int)GET_VERSION(__llvm_profile_get_version()));
+    return -1;
+  }
+
   /* Write the file. */
   rc = writeFileWithName(__llvm_profile_CurrentFilename);
   if (rc)