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Syntactically ambiguous declarations can lead to unexpected program execution. However, it is likely that rudimentary testing would uncover violations of this rule.
| Rule | Severity | Likelihood | Detectable | RepairableRemediation Cost | Priority | Level | 
|---|---|---|---|---|---|---|
| DCL53-CPP | Low | Unlikely | Yes | NoMedium | P2 | L3 | 
Automated Detection
| Tool | Version | Checker | Description | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CodeSonar | 
 | LANG.STRUCT.DECL.FNEST | Nested Function Declaration | |||||||||||
| Helix QAC | 
 | C++25021109, C++2510 | ||||||||||||
| Klocwork | 
 | CERT.DCL.AMBIGUOUS_DECL | ||||||||||||
| LDRA tool suite | 
 | 296 S  | Partially implemented | |||||||||||
| Parasoft C/C++test | 
 | CERT_CPP-DCL53-a | Parameter names in function declarations should not be enclosed in parentheses | |||||||||||
| Polyspace Bug Finder | 
 | CERT C++: DCL53-CPP | Checks for declarations that can be confused between: 
 Rule fully covered. | PRQA QA-C++ | ||||||||||
| Include Page | PRQA QA-C++_V | PRQA QA-C++_V2502, 2510 | ||||||||||||
| Clang | 
 | -Wvexing-parse | ||||||||||||
| SonarQube C/C++ Plugin | 
 | S3468 | 
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