Fix bug caused by uninitialized variable in typechecker

Signed-off-by: Mihai Budiu <mbudiu@vmware.com>
p4lang · Nov 22, 2022 · 0ecbda1 · 0ecbda1
1 parent aa0a24c
commit 0ecbda1
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/frontends/p4/typeChecking/typeChecker.cpp b/frontends/p4/typeChecking/typeChecker.cpp
@@ -134,7 +134,8 @@ TypeInference::TypeInference(ReferenceMap* refMap, TypeMap* typeMap, bool readOn
       typeMap(typeMap),
       initialNode(nullptr),
       readOnly(readOnly),
-      checkArrays(checkArrays) {
+      checkArrays(checkArrays),
+      currentActionList(nullptr) {
     CHECK_NULL(typeMap);
     CHECK_NULL(refMap);
     visitDagOnce = false;  // the done() method will take care of this

diff --git a/lib/gc.cpp b/lib/gc.cpp
@@ -37,14 +37,14 @@ limitations under the License.
 #define _GLIBCXX_USE_NOEXCEPT _NOEXCEPT
 #endif
 
+#if HAVE_LIBGC
 static bool done_init, started_init;
 // emergency pool to allow a few extra allocations after a bad_alloc is thrown so we
 // can generate reasonable errors, a stack trace, etc
 static char emergency_pool[16 * 1024];
 static char* emergency_ptr;
 
 // One can disable the GC, e.g., to run under Valgrind, by editing config.h
-#if HAVE_LIBGC
 void* operator new(std::size_t size) {
     /* DANGER -- on OSX, can't safely call the garbage collector allocation
      * routines from a static global constructor without manually initializing