[PATCH] D89897: [AIX] Emit error for -G option on AIX

[Xiangling Liao via Phabricator via cfe-commits]

Xiangling_L marked an inline comment as done.
Xiangling_L added inline comments.


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Comment at: clang/lib/Driver/ToolChains/Clang.cpp:4924
 
+  if (RawTriple.isOSAIX())
+    if (Arg *A = Args.getLastArg(options::OPT_G)) {
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jasonliu wrote:
> Question: When do we query `RawTriple`, and when we should query `Triple`?
`RawTriple` in this function means the triple you passed in or the default one.

`Triple` in this function means `a ToolChain's effective triple`.
An effective triple is:

> the Clang triple to use for this target, which may take into account the command line arguments. For example, on Darwin the -mmacosx-version-min= command line argument (which
> sets the deployment target) determines the version in the triple passed to Clang.

So I feel, if there is no special condition we need to consider, we just use `RawTriple`.




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  https://reviews.llvm.org/D89897/new/

https://reviews.llvm.org/D89897