diff --git a/win32/build/confutils.js b/win32/build/confutils.js
index 2d1a13e4408..b9cf70bb909 100644
--- a/win32/build/confutils.js
+++ b/win32/build/confutils.js
@@ -1257,10 +1257,16 @@ function SAPI(sapiname, file_list, makefiletarget, cflags, obj_dir)
 		if (PHP_DEBUG != "yes" && PHP_PGI == "yes") {
 			ADD_FLAG('CFLAGS_' + SAPI, "/GL /O2");
 			ADD_FLAG('LDFLAGS_' + SAPI, "/LTCG /GENPROFILE");
+			if (VCVERS >= 1914) {
+				ADD_FLAG('LDFLAGS_' + SAPI, "/d2:-FuncCache1");
+			}
 		}
 		else if (PHP_DEBUG != "yes" && PHP_PGO != "no") {
 			ADD_FLAG('CFLAGS_' + SAPI, "/GL /O2");
 			ADD_FLAG('LDFLAGS_' + SAPI, "/LTCG /USEPROFILE");
+			if (VCVERS >= 1914) {
+				ADD_FLAG('LDFLAGS_' + SAPI, "/d2:-FuncCache1");
+			}
 		}
 
 		ldflags += " /PGD:$(PGOPGD_DIR)\\" + makefiletarget.substring(0, makefiletarget.indexOf(".")) + ".pgd";
@@ -3230,6 +3236,10 @@ function toolset_setup_common_cflags()
 			/* This is only in effect for CXX sources, __cplusplus is not defined in C sources. */
 			ADD_FLAG("CFLAGS", "/Zc:__cplusplus");
 		}
+
+		if (VCVERS >= 1914) {
+			ADD_FLAG("CFLAGS", "/d2FuncCache1");
+		}
 	} else if (CLANG_TOOLSET) {
 		if (X64) {
 			ADD_FLAG('CFLAGS', '-m64');