[flang-commits] [flang] [flang][driver] Improve diagnostic for assembly inputs (PR #174316)

[Tarun Prabhu via flang-commits]

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@@ -147,6 +147,31 @@ int main(int argc, const char **argv) {
   llvm::SmallVector<std::pair<int, const clang::driver::Command *>, 4>
       failingCommands;
 
+  // Reject assembly files as flang does not support assembling
+  if (c) {
+    for (const llvm::opt::Arg *arg : c->getInputArgs()) {
+      if (arg->getOption().getKind() != llvm::opt::Option::InputClass)
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tarunprabhu wrote:

Is this check necessary? Can `getInputArgs()` return arg's where `kind != Option::InputClass`? It feels odd to me. Do you mind checking what `getInputArgs()` does?

https://github.com/llvm/llvm-project/pull/174316