https://bugs.llvm.org/show_bug.cgi?id=41183
Bug ID: 41183
Summary: Implicit function declarations also trigger
-Wstrict-prototypes
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: bba...@google.com
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
Compiling
int main() { return f(); }
with -Weverything triggers both -Wimplicit-function-declaration and
-Wstrict-prototypes:
example.c:1:21: warning: implicit declaration of function 'f' is invalid in
C99 [-Wimplicit-function-declaration]
int main() { return f(); }
^
example.c:1:21: warning: this function declaration is not a prototype
[-Wstrict-prototypes]
2 warnings generated.
This seems redundant – implicit function declarations will never be prototypes.
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