[LLVMbugs] [Bug 2131] New: clang -fsyntax only fires assertion on inline asm

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Sat Mar 8 20:56:30 PST 2008


           Summary: clang -fsyntax only fires assertion on inline asm
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: parser
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: kremenek at cs.stanford.edu
                CC: llvmbugs at cs.uiuc.edu

LLVM version: 48064
clang version:48082

For the following input, an assertion fires using "clang -fsyntax only":

  int main(  int argc,  char **argv) {
    __asm("#DEFINITION##define " "FOO" "\t%0" : : "n" ((unsigned int)(0x04)));

$ clang -fsyntax-only t.c

Assertion failed: (0 && "Unknown input constraint type!"), function
validateInputConstraint, file TargetInfo.cpp, line 186.

This input compiles fine with gcc.

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