[LLVMbugs] [Bug 1883] New: Overly strict error with initializer + cast

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Dec 28 12:12:00 PST 2007


           Summary: Overly strict error with initializer + cast
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sharparrow1 at yahoo.com
                CC: llvmbugs at cs.uiuc.edu

Not sure if I have the right component.

Compiling the following with clang -fsyntax-only:

typedef struct Test (int a;int b;} Test;
static Test t = (Test) {0,0};


inittest.c:2:24: error: initializer element is not constant
static Test t = (Test) {0,0};

gcc -fsyntax-only accepts this code, although it does warn if -pedantic is
used, and gives exactly the same error if -std=c99 is used.  So this is
apparently valid C90 code, but not valid C99?

Also, gcc accepts this code with -std=gnu99.

Found by running clang over ffmpeg code.

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