ci: Pin MIPS test to nightly-2023-07-04

``` error: Undefined temporary symbol $BB161_17 error: could not compile `rustc-demangle` (lib) due to previous error ```
taiki-e · Jul 7, 2023 · a8c51ba · a8c51ba
1 parent 3622664
commit a8c51ba
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -127,14 +127,14 @@ jobs:
           - rust: nightly
             target: i686-pc-windows-msvc
             os: windows-latest
-          - rust: nightly
+          - rust: nightly-2023-07-04 # TODO: LLVM bug: Undefined temporary symbol error when building std.
             target: mips-unknown-linux-gnu
+          - rust: nightly-2023-07-04 # TODO: LLVM bug: Undefined temporary symbol error when building std.
+            target: mipsel-unknown-linux-gnu
           - rust: nightly
             target: mips64-unknown-linux-gnuabi64
           - rust: nightly
             target: mips64el-unknown-linux-gnuabi64
-          - rust: nightly
-            target: mipsel-unknown-linux-gnu
           - rust: nightly
             target: powerpc-unknown-linux-gnu
           - rust: nightly