[LoongArch] Switch the toolchain used by the clang-loongarch64-linux
builder from default to clang+lld
#193
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Currently the default toolchain is used:
But recently we find that a new added llvm unittest (llvm/unittests/Frontend/OpenMPDecompositionTest.cpp) can't be compiled by the default toolchain (causing memory exhausted and killed by the system). Error:
See https://lab.llvm.org/staging/#/builders/5/builds/4199.
This patch fixex this issue by switching to clang+lld (v17.0.6).
An alternative (workaround) is setting
useTwoStage=True
andtestStage1=False
, but I think we'd better to create a dedicated builder for that in future.