Add GCC variants of Linux/Sanitizer CI jobs

While clang has the best support, GCC also supports a number of
sanitizers, so verify via new CI jobs.

Author: StableCoder

.gitlab-ci.yml

@@ -465,20 +465,35 @@ Linux/Static Analysis:
     CMAKE_OPTIONS: -DCLANG_TIDY=ON -DCPPCHECK=ON
   <<: *linux_success_template
 
+Linux/GCC/ThreadSanitizer:
+  variables:
+    CMAKE_OPTIONS: -D EXAMPLE_USE_SANITIZER=thread
+  <<: *linux_failure_template
+
 Linux/Clang/ThreadSanitizer:
   variables:
     CC: clang
     CXX: clang++
     CMAKE_OPTIONS: -D EXAMPLE_USE_SANITIZER=thread
   <<: *linux_failure_template
 
+Linux/GCC/AddressSanitizer:
+  variables:
+    CMAKE_OPTIONS: -D EXAMPLE_USE_SANITIZER=address
+  <<: *linux_failure_template
+
 Linux/Clang/AddressSanitizer:
   variables:
     CC: clang
     CXX: clang++
     CMAKE_OPTIONS: -D EXAMPLE_USE_SANITIZER=address
   <<: *linux_failure_template
 
+Linux/GCC/LeakSanitizer:
+  variables:
+    CMAKE_OPTIONS: -D EXAMPLE_USE_SANITIZER=leak
+  <<: *linux_failure_template
+
 Linux/Clang/LeakSanitizer:
   variables:
     CC: clang
@@ -493,6 +508,11 @@ Linux/Clang/MemorySanitizer:
     CMAKE_OPTIONS: -D EXAMPLE_USE_SANITIZER=memory
   <<: *linux_failure_template
 
+Linux/GCC/UndefinedSanitizer:
+  variables:
+    CMAKE_OPTIONS: -D EXAMPLE_USE_SANITIZER=undefined
+  <<: *linux_success_template
+
 Linux/Clang/UndefinedSanitizer:
   variables:
     CC: clang