http://llvm.org/bugs/show_bug.cgi?id=15421
Bug ID: 15421
Summary: indexing an integral type with a pointer type
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
C allows "indexing an integral type with a pointer type":
int a;
char *p;
a[p];
This is an obscure feature, and is possibly the result of C trying to mimic
some assembly syntax.
The proposal is to give a warning and 2 notes:
- warning: indexing an integral type with a pointer is an obscure feature
- note: use ``p[a]'' to silence this warning
- note: use ``*(p + a)'' to allow p and a to be flippable macro parameters,
while silencing this warning.
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