diff --git a/frontends/p4/def_use.cpp b/frontends/p4/def_use.cpp
index 70b2b203a11..4bf766b5d28 100644
--- a/frontends/p4/def_use.cpp
+++ b/frontends/p4/def_use.cpp
@@ -773,16 +773,14 @@ std::size_t P4::loc_t::hash() const {
 // Use to get loc if n is indirect child (e.g. grandchild) of currently being visited node.
 // In this case parentLoc is the loc of n's direct parent.
 const P4::loc_t *ComputeWriteSet::getLoc(const IR::Node *n, const loc_t *parentLoc) {
-    loc_t tmp{n, parentLoc};
-    return &*cached_locs.insert(tmp).first;
+    return &*cached_locs.emplace(n, parentLoc).first;
 }
 
 // Returns program location given the context of the currently being visited node.
 // Use to get loc of currently being visited node.
 const P4::loc_t *ComputeWriteSet::getLoc(const Visitor::Context *ctxt) {
     if (!ctxt) return nullptr;
-    loc_t tmp{ctxt->node, getLoc(ctxt->parent)};
-    return &*cached_locs.insert(tmp).first;
+    return &*cached_locs.emplace(ctxt->node, getLoc(ctxt->parent)).first;
 }
 
 // Returns program location of a child node n, given the context of the
@@ -791,9 +789,7 @@ const P4::loc_t *ComputeWriteSet::getLoc(const Visitor::Context *ctxt) {
 const P4::loc_t *ComputeWriteSet::getLoc(const IR::Node *n, const Visitor::Context *ctxt) {
     for (auto *p = ctxt; p; p = p->parent)
         if (p->node == n) return getLoc(p);
-    auto rv = getLoc(ctxt);
-    loc_t tmp{n, rv};
-    return &*cached_locs.insert(tmp).first;
+    return &*cached_locs.emplace(n, getLoc(ctxt)).first;
 }
 
 // Symbolic execution of the parser
diff --git a/frontends/p4/def_use.h b/frontends/p4/def_use.h
index fcbf5de1107..4031ee61a13 100644
--- a/frontends/p4/def_use.h
+++ b/frontends/p4/def_use.h
@@ -39,6 +39,9 @@ class LocationSet;
 struct loc_t {
     const IR::Node *node;
     const loc_t *parent;
+
+    loc_t(const IR::Node *node, const loc_t *parent) : node(node), parent(parent) {}
+
     bool operator==(const loc_t &a) const {
         if (node != a.node) return false;
         if (parent == a.parent) return true;