Crash in llvm-gcc with variably modified type and pointer subtraction #3621
Description
| Bugzilla Link | 3249 |
| Resolution | DUPLICATE |
| Resolved on | Feb 07, 2009 18:02 |
| Version | unspecified |
| OS | Linux |
| CC | @asl |
Extended Description
Testcase:
int a() {return (char()[printf("asdf\n")])0 + 1 - (char()[printf("asdf\n")])0;}
Output:
: In function ‘a’:
:1: warning: implicit declaration of function ‘printf’
:1: warning: incompatible implicit declaration of built-in function ‘printf’
Unhandled expression!
TREE_CODE: 118
<save_expr 0xb7b731e0
type <integer_type 0xb7b772a0 int public SI
size <integer_cst 0xb7b6d6e4 constant invariant 32>
unit size <integer_cst 0xb7b6d40c constant invariant 4>
align 32 symtab 1 alias set -1 precision 32 min <integer_cst 0xb7b6d690 -2147483648> max <integer_cst 0xb7b6d6ac 2147483647>
LLVM: i32
pointer_to_this <pointer_type 0xb7b77cc0>>
side-effects invariant public
arg 0 <var_decl 0xb7bf40d0 D.964 type <integer_type 0xb7b772a0 int>
used ignored asm-frame-size 0 SI file line 1 size <integer_cst 0xb7b6d6e4 32> unit size <integer_cst 0xb7b6d40c 4>
align 32 context <function_decl 0xb7be8400 a>
LLVM: i32* %0
chain <var_decl 0xb7bf4138 D.965 type <integer_type 0xb7b772a0 int>
used ignored asm-frame-size 0 SI file line 1 size <integer_cst 0xb7b6d6e4 32> unit size <integer_cst 0xb7b6d40c 4>
align 32 context <function_decl 0xb7be8400 a>>>>
:1: internal compiler error: in Emit, at llvm-convert.cpp:947
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