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| author | Tristan Gingold <tgingold@free.fr> | 2022-10-01 18:30:41 +0200 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2022-10-01 18:30:41 +0200 |
| commit | d7c93e9d72f8ddb29446d525c430098f61e8f9b3 (patch) | |
| tree | d1e8917cfea926e93d9affab8166621e8b84dbce | |
| parent | 8ac45f50fa908c6498801933b67d949f3f0923ca (diff) | |
| download | ghdl-d7c93e9d72f8ddb29446d525c430098f61e8f9b3.tar.gz ghdl-d7c93e9d72f8ddb29446d525c430098f61e8f9b3.tar.bz2 ghdl-d7c93e9d72f8ddb29446d525c430098f61e8f9b3.zip | |
synth: avoid on crash on overflow in ranges
| -rw-r--r-- | src/synth/elab-vhdl_types.adb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/synth/elab-vhdl_types.adb b/src/synth/elab-vhdl_types.adb index b92c78452..81ab20268 100644 --- a/src/synth/elab-vhdl_types.adb +++ b/src/synth/elab-vhdl_types.adb @@ -42,6 +42,14 @@ package body Elab.Vhdl_Types is -- Static values. L := Synth_Expression_With_Basetype (Syn_Inst, Get_Left_Limit (Rng)); R := Synth_Expression_With_Basetype (Syn_Inst, Get_Right_Limit (Rng)); + if L = No_Valtyp or else R = No_Valtyp then + Set_Error (Syn_Inst); + return (Dir => Get_Direction (Rng), + Left => 0, + Right => 0, + Is_Signed => False); + end if; + Strip_Const (L); Strip_Const (R); |