[clang] [clang-format] Fix crash on numeric literals with an incomplete exponent (PR #206594)

[Gustas Janušonis via cfe-commits]

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@@ -340,6 +340,17 @@ TEST_F(NumericLiteralCaseTest, UnderScoreSeparatorLanguages) {
   verifyFormat("o = 0o0_10_010;", "o = 0O0_10_010;", Style);
 }
 
+TEST_F(NumericLiteralCaseTest, IncompleteLiteralDoesNotCrash) {
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LeGusto wrote:

moved

https://github.com/llvm/llvm-project/pull/206594