ispc/ispc

Should issue warning on returning pointer to local variable

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#136 opened on Dec 14, 2011

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 (1 comment) (0 reactions) (0 assignees)C++ (350 forks)auto 404
Frontend / ParserGood First IssueQuality of Life

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Description

It'd be nice to issue a warning given malformed code like this:

int *foo() {
    int x;
    return &x;
}

Contributor guide

Research direction
Examine the compiler's AST and code generation for functions returning pointers to stack variables; implement a warning when a local variable's address is returned.
Tech stack
cpp
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C/C++
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70