add GCC match.pd contribution and sciezka project

Assisted by Claude Code

Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>

src/data/contributions.json

@@ -23,6 +23,18 @@
     "status": "merged",
     "description": "Migrated panasonic-vvx10f034n00 panel to multi-style functions for improved error handling and removed redundant error printout"
   },
+  {
+    "project": "GCC",
+    "projectUrl": "https://gcc.gnu.org/",
+    "platform": "sourceware",
+    "type": "code",
+    "kind": "patch",
+    "title": "match.pd: Optimize A > B ? ABS(A) : B to MAX(A, B) when B >= 0 [PR116700]",
+    "url": "https://gitlab.com/gnutools/gcc/-/commit/e0c4c4cb02382b37a41da098aab3a2446d3cdf3e",
+    "date": "2026-05-03",
+    "status": "merged",
+    "description": "Added pattern to simplify conditional ABS to MAX when the else branch is non-negative, fixing a missed optimization at -O1"
+  },
   {
     "project": "GCC",
     "projectUrl": "https://gcc.gnu.org/",