https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64343
Bug ID: 64343
Summary: [5 Regression] lto compile options
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: Joost.VandeVondele at mat dot ethz.ch
somewhere between r218726 and r218773 (1day) code compiled & linked with
FCFLAGS = -flto=jobserver -ffree-form -cpp
LDFLAGS = $(FCFLAGS) -O3 -funroll-loops -ffast-math -march=native
-fuse-linker-plugin -flto=jobserver
seems to remain in unoptimized form, while previously they would be optimized
at -O3. It does now seem like the compile time flags and not the ld flags
control the optimization level of the binary.
