[clang] [Driver] Simply some gcc search logic (PR #72558)

[Fangrui Song via cfe-commits]

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@@ -2117,14 +2117,17 @@ void Generic_GCC::GCCInstallationDetector::init(
   // The compatible GCC triples for this particular architecture.
   SmallVector<StringRef, 16> CandidateTripleAliases;
   SmallVector<StringRef, 16> CandidateBiarchTripleAliases;
+  // Add some triples that we want to check first.
+  CandidateTripleAliases.push_back(TargetTriple.str());
+  std::string TripleNoVendor = TargetTriple.getArchName().str() + "-" +
+                               TargetTriple.getOSAndEnvironmentName().str();
+  if (TargetTriple.getVendor() == llvm::Triple::UnknownVendor) {
+    CandidateTripleAliases.push_back(TripleNoVendor);
+  }
----------------
MaskRay wrote:

drop braces

https://github.com/llvm/llvm-project/pull/72558
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