https://llvm.org/bugs/show_bug.cgi?id=24243
Bug ID: 24243
Summary: No -Wshadow Warning on Extern Functions
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
$: cat t.c
extern void index2(void);
void foo3(void) {
void (*index2)(void);
}
$: clang-trunk -c t.c -Weverything -Wno-missing-prototypes -Wno-unused-variable
$: gcc-trunk -c -Wshadow t.c
t.c: In function ‘foo3’:
t.c:3:10: warning: declaration of ‘index2’ shadows a global declaration
[-Wshadow]
void (*index2)(void);
^
t.c:1:13: note: shadowed declaration is here
extern void index2(void);
^
$:
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