https://llvm.org/bugs/show_bug.cgi?id=26678
Bug ID: 26678
Summary: Confusing note and error message from Clang
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: 1101.deb...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Upon attempt to compile this code:
#include <stdio.h>
#include <unistd.h>
void
foo(int i)
{
if (i < 0)
goto whoops;
if (i == 0)
printf("foo\n");
if (i > 0)
goto corrupt;
return;
whoops:
printf("whoops\n");
return
corrupt:
printf("corrupt\n");
}
Clang prints the following:
foo.c:21:1: error: use of undeclared identifier 'corrupt'; did you mean
'crypt'?
corrupt:
^~~~~~~
crypt
/usr/include/unistd.h:542:7: note: 'crypt' declared here
char *crypt(const char *, const char *);
^
foo.c:21:8: error: expected ';' after return statement
corrupt:
^
;
foo.c:14:11: error: use of undeclared label 'corrupt'
goto corrupt;
^
3 errors generated.
Which is not correct, since 'corrupt' is correct label, even though it's
defined after incorrect line ('return' statement doesn't terminate with ';')
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