Backed out 2 changesets (bug 1688039) for Toolchain failure. CLOSED TREE

Backed out changeset f0e423809772 (bug 1688039)
Backed out changeset c3c76c537eb3 (bug 1688039)

taskcluster/ci/fetch/toolchains.yml

@@ -238,9 +238,9 @@ grcov-osx-x86_64:
     description: grcov binary release
     fetch:
         type: static-url
-        url: https://github.com/mozilla/grcov/releases/download/v0.7.1/grcov-osx-x86_64.tar.bz2
-        sha256: c7c323e0647b1309b412874000d677e8f5b898401ec57761c57a9c396c433823
-        size: 2476735
+        url: https://github.com/mozilla/grcov/releases/download/v0.5.14/grcov-osx-x86_64.tar.bz2
+        sha256: 17692a7ee09fbd49cac1194500c9c9e2bc76a23cd702f88026955f25fe7548a8
+        size: 1213868
 
 zlib-1.2.11:
     description: zlib 1.2.11 source code
@@ -344,7 +344,7 @@ grcov:
     fetch:
         type: git
         repo: https://github.com/mozilla/grcov
-        revision: 6ccd61964a0ab60d193394f18c0986eb37d14b9e
+        revision: 51300e533abc21231881259290da7692c279c0d6
 
 sccache:
     description: sccache source code

taskcluster/ci/toolchain/grcov.yml

@@ -20,8 +20,6 @@ linux64-grcov:
     fetches:
         toolchain:
             - linux64-rust-1.47
-            - linux64-clang
-            - linux64-binutils
 
 macosx64-grcov:
     treeherder:

taskcluster/scripts/misc/build-grcov.sh

@@ -8,12 +8,6 @@ PROJECT=grcov
 case "$(uname -s)" in
 Linux)
     COMPRESS_EXT=xz
-
-    export CC=clang
-    export CXX=clang++
-    export RUSTFLAGS=-Clinker=clang++
-
-    export PATH="$MOZ_FETCHES_DIR/clang/bin:$MOZ_FETCHES_DIR/binutils/bin:$PATH"
     ;;
 MINGW*)
     UPLOAD_DIR=$PWD/public/build