[NFC][clang] Replace unreachable code in literal processing with assert #96579
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Address static verifier concerns about dead code in DoubleUnderscore check. Replace it with an assert.
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@llvm/pr-subscribers-clang Author: Mike Rice (mikerice1969) ChangesAddress static verifier concerns about dead code in DoubleUnderscore check. Replace it with an assert. Full diff: https://github.com/llvm/llvm-project/pull/96579.diff 1 Files Affected:
diff --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp
index 3df0391bdda77..9d2720af5dbd9 100644
--- a/clang/lib/Lex/LiteralSupport.cpp
+++ b/clang/lib/Lex/LiteralSupport.cpp
@@ -1123,8 +1123,9 @@ NumericLiteralParser::NumericLiteralParser(StringRef TokSpelling,
break; // Invalid for floats
if (HasSize)
break;
- if (DoubleUnderscore)
- break; // Cannot be repeated.
+ // There is currently no way to reach this with DoubleUnderscore set.
+ // If new double underscope literals are added handle it here as above.
+ assert(!DoubleUnderscore && "unhandled double underscore case");
if (LangOpts.CPlusPlus && s + 2 < ThisTokEnd &&
s[1] == '_') { // s + 2 < ThisTokEnd to ensure some character exists
// after __
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AlexisPerry
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Jul 9, 2024
…rt (llvm#96579) Address static verifier concerns about dead code in DoubleUnderscore check. Replace it with an assert.
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Address static verifier concerns about dead code in DoubleUnderscore check. Replace it with an assert.