Fix memory leak.

Author: maarquitos14

llvm/lib/SYCLLowerIR/ESIMD/ESIMDVerifier.cpp

@@ -159,8 +159,10 @@ class ESIMDVerifierImpl {
               Name.starts_with("sycl::_V1::ext::intel::esimd::") ||
               Name.starts_with(
                   "sycl::_V1::ext::intel::experimental::esimd::") ||
-              Name.starts_with("sycl::_V1::ext::oneapi::this_work_item::"))
+              Name.starts_with("sycl::_V1::ext::oneapi::this_work_item::")) {
+            std::free(NameBuf.getBuffer());
             continue;
+          }
 
           // Check if function name matches any allowed SYCL function name.
           auto checkLegalFunc = [Name](const char *LegalName) {
@@ -175,9 +177,12 @@ class ESIMDVerifierImpl {
               // lowered to buffer_t will cause runtime error and thus must be
               // reported at compilation time.
               (MayNeedForceStatelessMemModeAPI &&
-               any_of(LegalSYCLFunctionsInStatelessMode, checkLegalFunc)))
+               any_of(LegalSYCLFunctionsInStatelessMode, checkLegalFunc))) {
+            std::free(NameBuf.getBuffer());
             continue;
+          }
 
+          std::free(NameBuf.getBuffer());
           // If not, report an error.
           std::string ErrorMsg = std::string("function '") +
                                  demangle(MangledName.str()) +