Bug 1626772 - Update hazard analysis to gcc 9 r=froydnj

Also requires modifying an annotation for altered gcc 9 output format.

Differential Revision: https://phabricator.services.mozilla.com/D69277

--HG--
extra : moz-landing-system : lando

js/src/devtools/rootAnalysis/annotations.js

@@ -359,7 +359,7 @@ function ignoreGCFunction(mangled)
     // TODO: modify refillFreeList<NoGC> to not need data flow analysis to
     // understand it cannot GC. As of gcc 6, the same problem occurs with
     // tryNewTenuredThing, tryNewNurseryObject, and others.
-    if (/refillFreeList|tryNew/.test(fun) && /\(js::AllowGC\)0/.test(fun))
+    if (/refillFreeList|tryNew/.test(fun) && /= js::NoGC/.test(fun))
         return true;
 
     return false;

taskcluster/ci/hazard/kind.yml

@@ -45,7 +45,7 @@ jobs:
         fetches:
             toolchain:
                 - linux64-clang
-                - linux64-gcc-8
+                - linux64-gcc-9
                 - linux64-gcc-sixgill
                 - linux64-rust
                 - linux64-cbindgen
@@ -67,7 +67,7 @@ jobs:
         fetches:
             toolchain:
                 - linux64-clang
-                - linux64-gcc-8
+                - linux64-gcc-9
                 - linux64-gcc-sixgill
                 - linux64-rust
                 - linux64-cbindgen

taskcluster/ci/toolchain/gcc.yml

@@ -69,10 +69,10 @@ linux64-gcc-sixgill:
     fetches:
         fetch:
             - binutils-2.31.1
-            - gcc-8.3.0
+            - gcc-9.1.0
             - gmp-6.1.0
             - isl-0.16.1
             - mpc-1.0.3
             - mpfr-3.1.4
         toolchain:
-            - linux64-gcc-8
+            - linux64-gcc-9

taskcluster/scripts/misc/build-gcc-sixgill-plugin-linux.sh

@@ -11,7 +11,7 @@ root_dir=$MOZ_FETCHES_DIR
 build_dir=$GECKO_PATH/build
 data_dir=$GECKO_PATH/build/unix/build-gcc
 
-sixgill_rev=60e06b912fc8
+sixgill_rev=f31866457f60
 sixgill_repo=https://hg.mozilla.org/users/sfink_mozilla.com/sixgill
 
 . $data_dir/build-gcc.sh