fixup! use createFromExtMap

Author: michaelmaitland

llvm/lib/TargetParser/RISCVISAInfo.cpp

@@ -150,7 +150,8 @@ void RISCVISAInfo::printEnabledExtensions(
   }
 
   unsigned XLen = IsRV64 ? 64 : 32;
-  outs() << "\nISA String: " << RISCVISAInfo(XLen, FullExtMap).toString();
+  if (auto ISAString = RISCVISAInfo::createFromExtMap(XLen, FullExtMap))
+    outs() << "\nISA String: " << ISAString.get()->toString();
 }
 
 static bool stripExperimentalPrefix(StringRef &Ext) {

llvm/unittests/TargetParser/RISCVISAInfoTest.cpp

@@ -1080,7 +1080,7 @@ R"(Extensions enabled for the given RISC-V target
 Experimental extensions
     zicfilp              0.4       'Zicfilp' (Landing pad)
 
-ISA String: rv64i2p1_zicfilp0p4)";
+ISA String: rv64i2p1_zicfilp0p4_zicsr2p0)";
   // clang-format on
 
   StringMap<StringRef> DescMap;