[clang] [Clang] Make the GPU toolchains implicitly link `-lm` and `-lc` (PR #98170)

[Yaxun Liu via cfe-commits]

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@@ -633,6 +633,17 @@ void amdgpu::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   else if (Args.hasArg(options::OPT_mcpu_EQ))
     CmdArgs.push_back(Args.MakeArgString(
         "-plugin-opt=mcpu=" + Args.getLastArgValue(options::OPT_mcpu_EQ)));
+
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yxsamliu wrote:

HIPAMD toolchain has its lld command argument handling in AMDGCN::Linker::constructLldCommand. Also need change there.

https://github.com/llvm/llvm-project/pull/98170