[sancov] Fix unspecified constructor order between sancov and asan.
Sanitizer coverage constructor must run after asan constructor (for each DSO).
Bump constructor priority to guarantee that.
llvm-svn: 227195
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
index b221ef8..afff81c 100644
--- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
+++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
@@ -59,7 +59,7 @@
static const char *const kSanCovTraceEnter = "__sanitizer_cov_trace_func_enter";
static const char *const kSanCovTraceBB = "__sanitizer_cov_trace_basic_block";
static const char *const kSanCovModuleCtorName = "sancov.module_ctor";
-static const uint64_t kSanCtorAndDtorPriority = 1;
+static const uint64_t kSanCtorAndDtorPriority = 2;
static cl::opt<int> ClCoverageLevel("sanitizer-coverage-level",
cl::desc("Sanitizer Coverage. 0: none, 1: entry block, 2: all blocks, "