http://llvm.org/bugs/show_bug.cgi?id=5390
Summary: Problems in __builtin_offsetof locations
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: parser
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=3761)
--> (http://llvm.org/bugs/attachment.cgi?id=3761)
Source used to show the problems
The attached C source show two different problems:
$ llvm_new/Debug/bin/clang-cc -W -Wall bug_clang2.c
bug_clang2.c:11:7: error: too many arguments to function call
fun(333);
~~~ ^~~
bug_clang2.c:12:7: error: too many arguments to function call
fun(__builtin_offsetof(struct s, g));
~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bug_clang2.c:13:7: error: too many arguments to function call
fun(__builtin_offsetof(struct s, f));
~~~ ^
3 diagnostics generated.
1) As seen in diagnostic for line 12, the end location of
__builtin_offsetof is not the right paren but the end of location of
subexpression (like in all other prefix unary operators). This is wrong
for __builtin_offsetof.
2) Worse in diagnostic for line 13, the end location of
__builtin_offsetof is invalid (here I don't fully understand how this
happens).
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