revert(ci): undo "force clang for Linux x86_64 native builds" (#1059)

.github/workflows/build-native.yml

@@ -72,17 +72,6 @@ jobs:
         with:
           workspaces: crates/codegraph-core
 
-      # Force clang for the host x86_64-linux-gnu build. With gcc (the runner's
-      # default `cc`) the bundled C parsers in tree-sitter-hcl produce a binary
-      # whose HCL extractor silently drops files (#1054). Clang produces a
-      # working binary.
-      - name: Use clang for x86_64-linux-gnu
-        if: matrix.target == 'x86_64-unknown-linux-gnu'
-        run: |
-          clang --version
-          echo "CC=clang" >> "$GITHUB_ENV"
-          echo "CXX=clang++" >> "$GITHUB_ENV"
-
       - name: Install cross-compilation tools (aarch64-gnu)
         if: matrix.target == 'aarch64-unknown-linux-gnu'
         run: |

.github/workflows/ci.yml

@@ -61,20 +61,6 @@ jobs:
         with:
           workspaces: crates/codegraph-core
 
-      # NOTE: this step was added in #1059 on the assumption that gcc-vs-clang
-      # was responsible for the HCL .tf drop in #1054, but the real root cause
-      # was a tree-sitter ABI mismatch (HCL grammar shipped ABI 15 while the
-      # runtime was pinned at ABI 14). That is fixed by the tree-sitter 0.25
-      # bump in this PR, so this clang override is now redundant. Kept in place
-      # here to keep this PR scoped to the ABI fix; a follow-up revert removes
-      # the step entirely.
-      - name: Use clang on Linux
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-          clang --version
-          echo "CC=clang" >> "$GITHUB_ENV"
-          echo "CXX=clang++" >> "$GITHUB_ENV"
-
       - name: Install napi-rs CLI
         run: npm install -g @napi-rs/cli@3
 

.github/workflows/publish.yml

@@ -44,15 +44,6 @@ jobs:
         with:
           workspaces: crates/codegraph-core
 
-      # Match the build-native job: gcc-built tree-sitter parsers drop files
-      # on Linux x86_64 (#1054). Use clang here too so preflight parity tests
-      # exercise the same binary characteristics as the published artifact.
-      - name: Use clang for native build
-        run: |
-          clang --version
-          echo "CC=clang" >> "$GITHUB_ENV"
-          echo "CXX=clang++" >> "$GITHUB_ENV"
-
       - name: Install napi-rs CLI
         run: npm install -g @napi-rs/cli@3
 
@@ -187,18 +178,6 @@ jobs:
         with:
           workspaces: crates/codegraph-core
 
-      # Force clang for the host x86_64-linux-gnu build. With gcc (the runner's
-      # default `cc`) the bundled C parsers in tree-sitter-hcl produce a binary
-      # whose HCL extractor silently drops files (#1054), triggering an
-      # expensive WASM backfill on every build call. Clang produces a working
-      # binary. Verified locally: gcc 14.2.0 drops .tf files, clang does not.
-      - name: Use clang for x86_64-linux-gnu
-        if: matrix.target == 'x86_64-unknown-linux-gnu'
-        run: |
-          clang --version
-          echo "CC=clang" >> "$GITHUB_ENV"
-          echo "CXX=clang++" >> "$GITHUB_ENV"
-
       - name: Install cross-compilation tools (aarch64-gnu)
         if: matrix.target == 'aarch64-unknown-linux-gnu'
         run: |