Fix crash when inheriting from an undeclared methodmap.

Bug: issue #1000 Test: new test case
alliedmodders · Nov 29, 2024 · 329bf95 · 329bf95
1 parent 76836e0
commit 329bf95
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Showing 3 changed files with 4 additions and 2 deletions.
diff --git a/compiler/name-resolution.cpp b/compiler/name-resolution.cpp
@@ -1138,8 +1138,8 @@ bool MethodmapDecl::Bind(SemaContext& sc) {
 
     auto& cc = sc.cc();
     if (extends_) {
-        auto parent = FindSymbol(cc.globals(), extends_);
-        parent_ = MethodmapDecl::LookupMethodmap(parent);
+        if (auto parent = FindSymbol(cc.globals(), extends_))
+            parent_ = MethodmapDecl::LookupMethodmap(parent);
         if (!parent_)
             report(pos_, 102) << "methodmap" << extends_;
     }

diff --git a/tests/compile-only/fail-inherit-undeclared-methodmap.sp b/tests/compile-only/fail-inherit-undeclared-methodmap.sp
@@ -0,0 +1 @@
+methodmap A < B {}
diff --git a/tests/compile-only/fail-inherit-undeclared-methodmap.txt b/tests/compile-only/fail-inherit-undeclared-methodmap.txt
@@ -0,0 +1 @@
+(1) : error 102: cannot find methodmap B