[clang] [Sema] Fix warnings in SemaFunctionEffects.cpp (PR #112857)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Karl-Johan Karlsson (karka228)

<details>
<summary>Changes</summary>

Fix gcc warnings like:
SemaFunctionEffects.cpp:1531:5: warning: this statement may fall through [-Wimplicit-fallthrough=]

---
Full diff: https://github.com/llvm/llvm-project/pull/112857.diff


1 Files Affected:

- (modified) clang/lib/Sema/SemaFunctionEffects.cpp (+3) 


``````````diff
diff --git a/clang/lib/Sema/SemaFunctionEffects.cpp b/clang/lib/Sema/SemaFunctionEffects.cpp
index 70e5d78661a835..c3e2a2d856a283 100644
--- a/clang/lib/Sema/SemaFunctionEffects.cpp
+++ b/clang/lib/Sema/SemaFunctionEffects.cpp
@@ -1540,6 +1540,7 @@ bool Sema::FunctionEffectDiff::shouldDiagnoseConversion(
       // matching is better.
       return true;
     }
+    break;
   case FunctionEffect::Kind::Blocking:
   case FunctionEffect::Kind::Allocating:
     return false;
@@ -1563,6 +1564,7 @@ bool Sema::FunctionEffectDiff::shouldDiagnoseRedeclaration(
       // All these forms of mismatches are diagnosed.
       return true;
     }
+    break;
   case FunctionEffect::Kind::Blocking:
   case FunctionEffect::Kind::Allocating:
     return false;
@@ -1592,6 +1594,7 @@ Sema::FunctionEffectDiff::shouldDiagnoseMethodOverride(
     case Kind::ConditionMismatch:
       return OverrideResult::Warn;
     }
+    break;
 
   case FunctionEffect::Kind::Blocking:
   case FunctionEffect::Kind::Allocating:

``````````

</details>


https://github.com/llvm/llvm-project/pull/112857