================
@@ -1749,6 +1757,8 @@ void CodeGenFunction::EmitCaseStmtRange(const CaseStmt &S,
// switch machinery to enter this block.
llvm::BasicBlock *CaseDest = createBasicBlock("sw.bb");
EmitBlockWithFallThrough(CaseDest, &S);
+ if (getLangOpts().CPlusPlus)
----------------
ojhunt wrote:
I think computed goto is a sufficiently complex problem on its own, and is
fundamentally extension, so could be quite reasonably left as a follow up --
getting correct behavior for entirely standard code seems the highest priority.
If anything I would just say it's a place where mandating trivially
determined/statically and control-flow free initialization logic should produce
a warning that is distinct from the standard uninitialized variable warnings
until robust perf-neutral (at least within a sufficiently small margin)
auto-initialization are in place.
https://github.com/llvm/llvm-project/pull/181937
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