ci : use sanitizer builds only in Debug mode

ggml-ci

.github/workflows/build.yml

@@ -234,7 +234,7 @@ jobs:
     strategy:
       matrix:
         sanitizer: [ADDRESS, THREAD, UNDEFINED]
-        build_type: [Debug, Release]
+        build_type: [Debug]
 
     steps:
       - name: Clone

src/unicode.cpp

@@ -12,16 +12,7 @@
 #include <cstdint>
 #include <locale>
 #include <map>
-
-// silence warnings triggered by a gcc bug when using sanitizers
-// ref: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105562#c21
-#pragma GCC diagnostic push
-#if defined __SANITIZE_ADDRESS__ && defined __OPTIMIZE__
-#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
-#endif
 #include <regex>
-#pragma GCC diagnostic pop
-
 #include <stdexcept>
 #include <string>
 #include <unordered_map>