https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97717
Bug ID: 97717
Summary: compilation with -O(1/2/3) flag failed while -O0
succeeds
Product: gcc
Version: 9.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: kranti.rkiran at gmail dot com
Target Milestone: ---
GCC version: 9.3.0
System Info:
System: Host: T-RAGOLI-X1Yoga Kernel: 4.4.0-18362-Microsoft x86_64 bits: 64
Console: tty 2 Distro: Ubuntu 20.04 LTS (Focal Fossa)
CPU: Topology: Dual Core model: Intel Core i7-6600U bits: 64 type: MT MCP
L2 cache: 256 KiB
Speed: 2808 MHz min/max: N/A Core speeds (MHz): 1: 2808 2: 2808 3:
2808 4: 2808
(The machine uses WSL-2)
Compiling the source code with optimization fags (-O1/-O2/-O3) throws a
compiler segfault.
Command: g++ -O3 test.cpp
g++: internal compiler error: Segmentation fault signal terminated program
cc1plus
The compilation using 'g++ test.cpp' succeeds.
