Compilation segmentation fault with { break }

[TatriX]

Context

	Odin: dev-2021-12:9f0a30e3
	OS:   Arch Linux, Linux 5.15.5-arch1-1
	CPU:  Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz
	RAM:  15919 MiB

Steps to Reproduce

odin build repro.odin -debug

package main

import "core:fmt"

main :: proc() {
    for i := 0; ; i += 1 {
        {
            break;
        }
        fmt.println("")
    }
}

Failure Logs

Thread 1 "odin" received signal SIGSEGV, Segmentation fault.
0x00005555556cdcc5 in lb_add_local (p=0x7fff947b00a0, type=0x555555841930 <basic_types+3968>, e=0x0, zero_init=false, param_index=0, force_no_init=false) at src/llvm_backend_general.cpp:2653
2653		LLVMPositionBuilderAtEnd(p->builder, p->curr_block->block);
(gdb) bt
#0  0x00005555556cdcc5 in lb_add_local (p=0x7fff947b00a0, type=0x555555841930 <basic_types+3968>, e=0x0, zero_init=false, param_index=0, force_no_init=false) at src/llvm_backend_general.cpp:2653
#1  0x0000555555694ef0 in lb_add_local_generated (p=0x7fff947b00a0, type=0x555555841930 <basic_types+3968>, zero_init=false) at src/llvm_backend_general.cpp:2686
#2  0x000055555569d124 in lb_emit_conv (p=0x7fff947b00a0, value=..., t=0x555555841a30 <basic_types+4224>) at src/llvm_backend_expr.cpp:1454
#3  0x0000555555718b9c in lb_build_call_expr_internal (p=0x7fff947b00a0, expr=0x7fffdb7ff8f0) at src/llvm_backend_proc.cpp:2381
#4  0x00005555556f73b9 in lb_build_call_expr (p=0x7fff947b00a0, expr=0x7fffdb7ff8f0) at src/llvm_backend_proc.cpp:2140
#5  0x00005555556cd1ac in lb_build_expr (p=0x7fff947b00a0, expr=0x7fffdb7ff8f0) at src/llvm_backend_expr.cpp:3086
#6  0x00005555556fa33f in lb_build_stmt (p=0x7fff947b00a0, node=0x7fffdb7ff9d0) at src/llvm_backend_stmt.cpp:2127
#7  0x00005555556f96b5 in lb_build_stmt_list (p=0x7fff947b00a0, stmts=...) at src/llvm_backend_stmt.cpp:150
#8  0x00005555556f9cb1 in lb_build_stmt (p=0x7fff947b00a0, node=0x7fffdb7ffa10) at src/llvm_backend_stmt.cpp:2067
#9  0x0000555555706399 in lb_build_for_stmt (p=0x7fff947b00a0, node=0x7fffdb7ffac0) at src/llvm_backend_stmt.cpp:1752
#10 0x00005555556fa67c in lb_build_stmt (p=0x7fff947b00a0, node=0x7fffdb7ffac0) at src/llvm_backend_stmt.cpp:2143
#11 0x00005555556f96b5 in lb_build_stmt_list (p=0x7fff947b00a0, stmts=...) at src/llvm_backend_stmt.cpp:150
#12 0x00005555556f9cb1 in lb_build_stmt (p=0x7fff947b00a0, node=0x7fffdb7ffbb0) at src/llvm_backend_stmt.cpp:2067
#13 0x000055555571c309 in lb_generate_procedure (m=0x7fff947a9008, p=0x7fff947b00a0) at src/llvm_backend.cpp:1095
#14 0x000055555571f3d5 in lb_generate_code (gen=0x7fff947a8f20) at src/llvm_backend.cpp:1635
#15 0x0000555555734d6d in main (arg_count=4, arg_ptr=0x7fffffffdca8) at src/main.cpp:2690

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