https://bugs.llvm.org/show_bug.cgi?id=50600
Bug ID: 50600
Summary: clang detects dollars in macro arguments instead of
identifiers.
Product: clang
Version: 12.0
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: enhancement
Priority: P
Component: C
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
clang detects a dollar in identifier, when there is no such
identifier, but only a string, as per the macro. It should do that after
macro-expansion, not before.
Makefile:
```
all:
clang -Wdollar-in-identifier-extension -o pgm gcc-dollar-bug.c
./pgm
```
gcc-dollar-bug.c:
```
#include <stdio.h>
#define S(x) #x
int main(void){
printf("Good string: %s\n",S($HELLO));
return 0;}
```
```
[pjb@despina org.xquartz:0 gcc-dollar-bug 23Gi]$ make
clang -Wdollar-in-identifier-extension -o pgm gcc-dollar-bug.c
gcc-dollar-bug.c:6:34: warning: '$' in identifier
[-Wdollar-in-identifier-extension]
printf("Good string: %s\n",S($HELLO));
^
1 warning generated.
./pgm
Good string: $HELLO
[pjb@despina org.xquartz:0 gcc-dollar-bug 23Gi]$
#+END_EXAMPLE
```
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
