http://llvm.org/bugs/show_bug.cgi?id=15151
Bug #: 15151
Summary: Ambigious error message when a variable is named after
a standard function
Product: clang
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
The following code gives an ambiguous error message in clang, but a sane one in
gcc:
int logf = 5;
int main() {
return logf;
}
# gcc test.c -o test
test.c:1:5: warning: built-in function 'logf' declared as non-function [enabled
by default]
# clang test.c -o test
test.c:1:5: error: redefinition of 'logf' as different kind of symbol
int logf = 5;
^
test.c:1:5: note: previous definition is here
test.c:4:16: warning: incompatible pointer to integer conversion returning
'float (float)' from a function with result type 'int' [-Wint-conversion]
return logf;
^~~~
1 warning and 1 error generated.
Suggest something like gcc instead: "error: redefinition of built-in/standard
function 'logf' as different kind of symbol", and remove "note: previous
definition is here", or alternatively, just change the second line to "note:
previous definition is in standard library" or similar.
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