diff --git a/devel/ispc/files/patch-src_opt_ImproveMemoryOps.cpp b/devel/ispc/files/patch-src_opt_ImproveMemoryOps.cpp
new file mode 100644
index 000000000000..3e6b2f30359b
--- /dev/null
+++ b/devel/ispc/files/patch-src_opt_ImproveMemoryOps.cpp
@@ -0,0 +1,11 @@
+--- src/opt/ImproveMemoryOps.cpp.orig	2024-06-01 21:03:34 UTC
++++ src/opt/ImproveMemoryOps.cpp
+@@ -7,6 +7,8 @@
+ #include "ImproveMemoryOps.h"
+ #include "builtins-decl.h"
+ 
++#include <unordered_map>
++
+ namespace ispc {
+ 
+ using namespace builtin;
diff --git a/devel/ispc/files/patch-src_opt_ReplaceMaskedMemOps.cpp b/devel/ispc/files/patch-src_opt_ReplaceMaskedMemOps.cpp
new file mode 100644
index 000000000000..7995a00653fb
--- /dev/null
+++ b/devel/ispc/files/patch-src_opt_ReplaceMaskedMemOps.cpp
@@ -0,0 +1,10 @@
+--- src/opt/ReplaceMaskedMemOps.cpp.orig	2024-06-01 22:09:03 UTC
++++ src/opt/ReplaceMaskedMemOps.cpp
+@@ -9,6 +9,7 @@
+ #include <llvm/IR/IRBuilder.h>
+ #include <llvm/Transforms/Utils/Local.h>
+ 
++#include <unordered_map>
+ #include <numeric>
+ 
+ namespace ispc {
diff --git a/devel/ispc/files/patch-src_opt_ReplacePseudoMemoryOps.cpp b/devel/ispc/files/patch-src_opt_ReplacePseudoMemoryOps.cpp
new file mode 100644
index 000000000000..d8be02bca950
--- /dev/null
+++ b/devel/ispc/files/patch-src_opt_ReplacePseudoMemoryOps.cpp
@@ -0,0 +1,11 @@
+--- src/opt/ReplacePseudoMemoryOps.cpp.orig	2024-06-01 21:18:54 UTC
++++ src/opt/ReplacePseudoMemoryOps.cpp
+@@ -7,6 +7,8 @@
+ #include "ReplacePseudoMemoryOps.h"
+ #include "builtins-decl.h"
+ 
++#include <unordered_map>
++
+ namespace ispc {
+ 
+ using namespace builtin;