[cfe-dev] clang currently broken?

[Timo Sirainen]

I just checked out the latest llvm and clang (rev 57766). Compiling a
really simple program works, such as:

int main(void) { int a; return 0; }

But:

int main(void) { int a, b; return 0; }

segfaults:

#0  0x00000000008cd393 in clang::DeclGroup::Destroy (this=0xf02800, 
    C=@0xf03280) at DeclGroup.cpp:60
#1  0x00000000008cd445 in clang::DeclGroupOwningRef::Destroy (this=0xf1ee20, 
    C=@0xf03280) at DeclGroup.cpp:78
#2  0x00000000008e5fc7 in clang::DeclStmt::Destroy (this=0xf1ee10, C=@0xf03280)
    at Stmt.cpp:58
#3  0x00000000008e6055 in clang::Stmt::DestroyChildren (this=0xf1eeb0, 
    C=@0xf03280) at Stmt.cpp:46
#4  0x00000000008e608f in clang::Stmt::Destroy (this=0xf1eeb0, C=@0xf03280)
    at Stmt.cpp:50
#5  0x00000000008c9489 in clang::FunctionDecl::Destroy (this=0xf1ed00, 
    C=@0xf03280) at Decl.cpp:159
#6  0x00000000008f7c2e in ~TranslationUnit (this=0xf13aa0)
    at TranslationUnit.cpp:100
#7  0x00000000008595b5 in clang::ParseAST (PP=@0xf01000, Consumer=0xf03260, 
    PrintStats=false, FreeMemory=true) at ParseAST.cpp:82
#8  0x0000000000765ef5 in ProcessInputFile (PP=@0xf01000, PPF=@0x7fff25daa1e0, 
    InFile=@0xefe060) at clang.cpp:1194
#9  0x00000000007678cd in main (argc=2, argv=0x7fff25daa3e8) at clang.cpp:1386

(gdb) p NumDecls
$2 = 2
(gdb) p *Decls[0]
Cannot access memory at address 0xf1edc000000000
(gdb) p *Decls[1]
Cannot access memory at address 0x0

This is with x86-64 Debian unstable, compiled with gcc 4.3.1.
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