http://llvm.org/bugs/show_bug.cgi?id=5607
Summary: Improve diagnostic for funny input characters
Product: clang
Version: unspecified
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: preprocessor
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
(you will need to get the actual input, this won't cut and paste most likely):
--
ddun...@lordcrumb:tmp$ cat t.c
/* <- there is a funny character here */
/* and another one here -> *//* <- there */
ddun...@lordcrumb:tmp$ gcc t.c
t.c:2: error: stray â\357â in program
t.c:2: error: stray â\273â in program
t.c:2: error: stray â\277â in program
ddun...@lordcrumb:tmp$ clang t.c
t.c:1:1: error: expected identifier or '('
/* <- there is a funny character here */
^
1 diagnostic generated.
--
Oddly enough, gcc ignores the first funny character and accepts it as valid
input, which is how this problem was discovered. Otherwise the character is
quite hard to see, so it would be nice if clang would go to some trouble to
point it out.
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